#
BeijingAir ‏@BeijingAir

01-18-2013 03:00; PM2.5; 193.0; 243; Very Unhealthy (at 24-hour exposure at this level)
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2h BeijingAir BeijingAir ‏@BeijingAir

01-18-2013 02:00; PM2.5; 214.0; 264; Very Unhealthy (at 24-hour exposure at this level)
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3h BeijingAir BeijingAir ‏@BeijingAir

01-18-2013 01:00; PM2.5; 283.0; 333; Hazardous (at 24-hour exposure at this level)
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4h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 00:00 to 01-17-2013 23:59; PM2.5 24hr avg; 75.7; 157; Unhealthy
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4h BeijingAir BeijingAir ‏@BeijingAir

01-18-2013 00:00; PM2.5; 285.0; 335; Hazardous (at 24-hour exposure at this level)
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5h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 23:00; PM2.5; 226.0; 276; Very Unhealthy (at 24-hour exposure at this level)
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6h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 22:00; PM2.5; 208.0; 258; Very Unhealthy (at 24-hour exposure at this level)
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7h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 21:00; PM2.5; 167.0; 217; Very Unhealthy (at 24-hour exposure at this level)
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8h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 20:00; PM2.5; 107.0; 175; Unhealthy (at 24-hour exposure at this level)
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9h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 19:00; PM2.5; 86.0; 163; Unhealthy (at 24-hour exposure at this level)
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10h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 18:00; PM2.5; 78.0; 158; Unhealthy (at 24-hour exposure at this level)
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11h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 17:00; PM2.5; 92.0; 166; Unhealthy (at 24-hour exposure at this level)
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12h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 16:00; PM2.5; 71.0; 154; Unhealthy (at 24-hour exposure at this level)
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13h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 15:00; PM2.5; 45.0; 117; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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14h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 14:00; PM2.5; 37.0; 103; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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15h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 13:00; PM2.5; 41.0; 110; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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16h BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 12:00 to 01-17-2013 11:59; PM2.5 24hr avg; 63.0; 146; Unhealthy for Sensitive Groups
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16h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 12:00; PM2.5; 38.0; 105; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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17h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 11:00; PM2.5; 38.0; 105; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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18h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 10:00; PM2.5; 34.0; 97; Moderate (at 24-hour exposure at this level)
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19h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 09:00; PM2.5; 33.0; 94; Moderate (at 24-hour exposure at this level)
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20h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 08:00; PM2.5; 33.0; 94; Moderate (at 24-hour exposure at this level)
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21h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 07:00; PM2.5; 34.0; 97; Moderate (at 24-hour exposure at this level)
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22h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 06:00; PM2.5; 37.0; 103; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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23h BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 05:00; PM2.5; 35.0; 99; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 04:00; PM2.5; 19.0; 60; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 03:00; PM2.5; 26.0; 77; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 02:00; PM2.5; 24.0; 72; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 01:00; PM2.5; 25.0; 74; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 00:00 to 01-16-2013 23:59; PM2.5 24hr avg; 112.2; 178; Unhealthy
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-17-2013 00:00; PM2.5; 30.0; 87; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 23:00; PM2.5; 28.0; 82; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 22:00; PM2.5; 26.0; 77; Moderate (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 21:00; PM2.5; 47.0; 120; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 20:00; PM2.5; 193.0; 243; Very Unhealthy (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 19:00; PM2.5; 219.0; 269; Very Unhealthy (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 18:00; PM2.5; 227.0; 277; Very Unhealthy (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 17:00; PM2.5; 61.0; 143; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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16 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 16:00; PM2.5; 45.0; 117; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 15:00; PM2.5; 39.0; 107; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 14:00; PM2.5; 53.0; 130; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 13:00; PM2.5; 169.0; 219; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 12:00 to 01-16-2013 11:59; PM2.5 24hr avg; 145.3; 197; Unhealthy
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 12:00; PM2.5; 194.0; 244; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 11:00; PM2.5; 240.0; 290; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 10:00; PM2.5; 269.0; 319; Hazardous (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 09:00; PM2.5; 245.0; 295; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 08:00; PM2.5; 82.0; 161; Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 07:00; PM2.5; 25.0; 74; Moderate (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 06:00; PM2.5; 35.0; 99; Moderate (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 05:00; PM2.5; 38.0; 105; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 04:00; PM2.5; 46.0; 118; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 03:00; PM2.5; 76.0; 157; Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 01:00; PM2.5; 189.0; 239; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 00:00 to 01-15-2013 23:59; PM2.5 24hr avg; 114.9; 180; Unhealthy
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-16-2013 00:00; PM2.5; 177.0; 227; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 23:00; PM2.5; 227.0; 277; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 22:00; PM2.5; 201.0; 251; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 21:00; PM2.5; 181.0; 231; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 20:00; PM2.5; 183.0; 233; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 19:00; PM2.5; 166.0; 216; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 18:00; PM2.5; 155.0; 205; Very Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 17:00; PM2.5; 134.0; 191; Unhealthy (at 24-hour exposure at this level)
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15 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 16:00; PM2.5; 132.0; 189; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 15:00; PM2.5; No Reading;
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 14:00; PM2.5; 120.0; 182; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 13:00; PM2.5; 109.0; 176; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 12:00 to 01-15-2013 11:59; PM2.5 24hr avg; 157.3; 208; Very Unhealthy
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 12:00; PM2.5; 90.0; 165; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 11:00; PM2.5; 69.0; 153; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 10:00; PM2.5; 79.0; 159; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 09:00; PM2.5; 80.0; 159; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 08:00; PM2.5; 71.0; 154; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 07:00; PM2.5; 74.0; 156; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 06:00; PM2.5; 79.0; 159; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 05:00; PM2.5; 71.0; 154; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 04:00; PM2.5; 61.0; 143; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 03:00; PM2.5; 61.0; 143; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 02:00; PM2.5; 58.0; 138; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 01:00; PM2.5; 66.0; 151; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 00:00 to 01-14-2013 23:59; PM2.5 24hr avg; 299.5; 350; Hazardous
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-15-2013 00:00; PM2.5; 151.0; 201; Very Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 23:00; PM2.5; 68.0; 152; Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 22:00; PM2.5; 169.0; 219; Very Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 21:00; PM2.5; 217.0; 267; Very Unhealthy (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 20:00; PM2.5; 282.0; 332; Hazardous (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 19:00; PM2.5; 285.0; 335; Hazardous (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 18:00; PM2.5; 278.0; 328; Hazardous (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 17:00; PM2.5; 277.0; 327; Hazardous (at 24-hour exposure at this level)
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14 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 16:00; PM2.5; 267.0; 317; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 15:00; PM2.5; 271.0; 321; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 14:00; PM2.5; 307.0; 357; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 13:00; PM2.5; 345.0; 395; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 12:00 to 01-14-2013 11:59; PM2.5 24hr avg; 343.4; 393; Hazardous
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 12:00; PM2.5; 335.0; 385; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 11:00; PM2.5; 291.0; 341; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 10:00; PM2.5; 257.0; 307; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 09:00; PM2.5; 296.0; 346; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 08:00; PM2.5; 358.0; 406; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 07:00; PM2.5; 308.0; 358; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 06:00; PM2.5; 328.0; 378; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 05:00; PM2.5; 447.0; 465; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 04:00; PM2.5; 468.0; 479; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 03:00; PM2.5; 523.0; 515; Beyond Index
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 02:00; PM2.5; 362.0; 409; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 01:00; PM2.5; 298.0; 348; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 00:00 to 01-13-2013 23:59; PM2.5 24hr avg; 416.2; 444; Hazardous
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-14-2013 00:00; PM2.5; 309.0; 359; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 23:00; PM2.5; 301.0; 351; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 22:00; PM2.5; 304.0; 354; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 21:00; PM2.5; 311.0; 361; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 20:00; PM2.5; 333.0; 383; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 19:00; PM2.5; 343.0; 393; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 18:00; PM2.5; 334.0; 384; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 17:00; PM2.5; 325.0; 375; Hazardous (at 24-hour exposure at this level)
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13 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 16:00; PM2.5; 326.0; 376; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 15:00; PM2.5; 323.0; 373; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 14:00; PM2.5; No Reading;
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 13:00; PM2.5; 419.0; 446; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 12:00 to 01-13-2013 11:59; PM2.5 24hr avg; 630.6; 586; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 12:00; PM2.5; 295.0; 345; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 11:00; PM2.5; 236.0; 286; Very Unhealthy (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 10:00; PM2.5; 266.0; 316; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 09:00; PM2.5; 288.0; 338; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 08:00; PM2.5; 341.0; 391; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 07:00; PM2.5; 475.0; 483; Hazardous (at 24-hour exposure at this level)
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 06:00; PM2.5; 584.0; 555; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 05:00; PM2.5; 673.0; 614; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 04:00; PM2.5; 651.0; 599; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 03:00; PM2.5; 684.0; 621; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 02:00; PM2.5; 722.0; 646; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 01:00; PM2.5; 731.0; 652; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 00:00 to 01-12-2013 23:59; PM2.5 24hr avg; 568.5; 545; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-13-2013 00:00; PM2.5; 744.0; 661; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 23:00; PM2.5; 805.0; 701; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 22:00; PM2.5; 858.0; 736; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 21:00; PM2.5; 852.0; 732; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 20:00; PM2.5; 886.0; 755; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 19:00; PM2.5; 824.0; 714; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 18:00; PM2.5; 776.0; 682; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 17:00; PM2.5; 810.0; 704; Beyond Index
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12 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 16:00; PM2.5; 845.0; 728; Beyond Index
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 15:00; PM2.5; 802.0; 699; Beyond Index
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 14:00; PM2.5; 529.0; 519; Beyond Index
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 13:00; PM2.5; 458.0; 472; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 12:00 to 01-12-2013 11:59; PM2.5 24hr avg; 333.2; 383; Hazardous
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 12:00; PM2.5; 472.0; 481; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 11:00; PM2.5; 383.0; 422; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 10:00; PM2.5; 319.0; 369; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 09:00; PM2.5; No Reading;
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 08:00; PM2.5; 278.0; 328; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 07:00; PM2.5; 174.0; 224; Very Unhealthy (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 06:00; PM2.5; 275.0; 325; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 05:00; PM2.5; 287.0; 337; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 04:00; PM2.5; 442.0; 461; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 03:00; PM2.5; 425.0; 450; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 02:00; PM2.5; 442.0; 461; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 01:00; PM2.5; 391.0; 428; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 00:00 to 01-11-2013 23:59; PM2.5 24hr avg; 361.2; 408; Hazardous
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-12-2013 00:00; PM2.5; 374.0; 417; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 23:00; PM2.5; 369.0; 413; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 22:00; PM2.5; 371.0; 415; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 21:00; PM2.5; 292.0; 342; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 20:00; PM2.5; 325.0; 375; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 19:00; PM2.5; 291.0; 341; Hazardous (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 18:00; PM2.5; 216.0; 266; Very Unhealthy (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 17:00; PM2.5; 146.0; 197; Unhealthy (at 24-hour exposure at this level)
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11 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 16:00; PM2.5; 340.0; 390; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 15:00; PM2.5; 353.0; 403; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 14:00; PM2.5; 356.0; 405; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 13:00; PM2.5; 343.0; 393; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 12:00 to 01-11-2013 11:59; PM2.5 24hr avg; 379.0; 420; Hazardous
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 12:00; PM2.5; 361.0; 408; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 11:00; PM2.5; 377.0; 419; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 10:00; PM2.5; 377.0; 419; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 09:00; PM2.5; 391.0; 428; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 08:00; PM2.5; 434.0; 456; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 07:00; PM2.5; 456.0; 471; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 06:00; PM2.5; 408.0; 439; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 05:00; PM2.5; 429.0; 453; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 04:00; PM2.5; 402.0; 435; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 03:00; PM2.5; 416.0; 444; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 02:00; PM2.5; 418.0; 446; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 01:00; PM2.5; 425.0; 450; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 00:00 to 01-10-2013 23:59; PM2.5 24hr avg; 248.2; 298; Very Unhealthy
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-11-2013 00:00; PM2.5; 434.0; 456; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 23:00; PM2.5; 488.0; 492; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 22:00; PM2.5; 486.0; 490; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 21:00; PM2.5; 486.0; 490; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 20:00; PM2.5; 421.0; 448; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 19:00; PM2.5; 389.0; 426; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 18:00; PM2.5; 449.0; 466; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 17:00; PM2.5; 395.0; 430; Hazardous (at 24-hour exposure at this level)
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10 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 16:00; PM2.5; 279.0; 329; Hazardous (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 15:00; PM2.5; 167.0; 217; Very Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 14:00; PM2.5; 111.0; 177; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 13:00; PM2.5; 97.0; 169; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 12:00 to 01-10-2013 11:59; PM2.5 24hr avg; 135.5; 191; Unhealthy
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 12:00; PM2.5; 84.0; 162; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 11:00; PM2.5; 79.0; 159; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 10:00; PM2.5; 63.0; 146; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 09:00; PM2.5; 56.0; 135; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 08:00; PM2.5; 81.0; 160; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 07:00; PM2.5; 114.0; 179; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 06:00; PM2.5; 111.0; 177; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 05:00; PM2.5; 162.0; 212; Very Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 04:00; PM2.5; 179.0; 229; Very Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 03:00; PM2.5; 221.0; 271; Very Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 02:00; PM2.5; 303.0; 353; Hazardous (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 01:00; PM2.5; 304.0; 354; Hazardous (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 00:00 to 01-09-2013 23:59; PM2.5 24hr avg; 78.5; 159; Unhealthy
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-10-2013 00:00; PM2.5; 305.0; 355; Hazardous (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 23:00; PM2.5; 234.0; 284; Very Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 22:00; PM2.5; 163.0; 213; Very Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 21:00; PM2.5; 141.0; 195; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 20:00; PM2.5; 138.0; 193; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 19:00; PM2.5; 115.0; 180; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 18:00; PM2.5; 75.0; 156; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 17:00; PM2.5; 67.0; 152; Unhealthy (at 24-hour exposure at this level)
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9 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 16:00; PM2.5; 57.0; 136; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 15:00; PM2.5; 59.0; 140; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 14:00; PM2.5; 72.0; 155; Unhealthy (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 13:00; PM2.5; 69.0; 153; Unhealthy (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 12:00 to 01-09-2013 11:59; PM2.5 24hr avg; 25.2; 75; Moderate
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 12:00; PM2.5; 59.0; 140; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 11:00; PM2.5; 48.0; 121; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 10:00; PM2.5; 35.0; 99; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 09:00; PM2.5; 46.0; 118; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 08:00; PM2.5; 44.0; 115; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 07:00; PM2.5; 27.0; 79; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 06:00; PM2.5; 17.0; 55; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 05:00; PM2.5; 22.0; 67; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 04:00; PM2.5; 24.0; 72; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 03:00; PM2.5; 18.0; 57; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 02:00; PM2.5; 22.0; 67; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 01:00; PM2.5; 29.0; 84; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 00:00 to 01-08-2013 23:59; PM2.5 24hr avg; 118.8; 182; Unhealthy
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-09-2013 00:00; PM2.5; 23.0; 69; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 23:00; PM2.5; 19.0; 60; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 22:00; PM2.5; 17.0; 55; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 21:00; PM2.5; 21.0; 65; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 20:00; PM2.5; 21.0; 65; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 19:00; PM2.5; 18.0; 57; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 18:00; PM2.5; 19.0; 60; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 17:00; PM2.5; 16.0; 52; Moderate (at 24-hour exposure at this level)
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8 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 16:00; PM2.5; 11.0; 36; Good (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 15:00; PM2.5; 14.0; 45; Good (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 14:00; PM2.5; 19.0; 60; Moderate (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 13:00; PM2.5; 18.0; 57; Moderate (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 12:00 to 01-08-2013 11:59; PM2.5 24hr avg; 203.0; 253; Very Unhealthy
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 12:00; PM2.5; 20.0; 62; Moderate (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 11:00; PM2.5; 19.0; 60; Moderate (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 10:00; PM2.5; 36.0; 102; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 09:00; PM2.5; 170.0; 220; Very Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 08:00; PM2.5; 159.0; 209; Very Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 07:00; PM2.5; 135.0; 191; Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 06:00; PM2.5; 257.0; 307; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 05:00; PM2.5; 365.0; 411; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 04:00; PM2.5; 402.0; 435; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 03:00; PM2.5; 326.0; 376; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 02:00; PM2.5; 390.0; 427; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 01:00; PM2.5; 357.0; 405; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 00:00 to 01-07-2013 23:59; PM2.5 24hr avg; 150.3; 200; Unhealthy
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-08-2013 00:00; PM2.5; 333.0; 383; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 23:00; PM2.5; 299.0; 349; Hazardous (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 22:00; PM2.5; 250.0; 300; Very Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 21:00; PM2.5; 233.0; 283; Very Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 20:00; PM2.5; 194.0; 244; Very Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 19:00; PM2.5; 164.0; 214; Very Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 18:00; PM2.5; 150.0; 200; Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 17:00; PM2.5; 133.0; 190; Unhealthy (at 24-hour exposure at this level)
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7 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 16:00; PM2.5; 133.0; 190; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 15:00; PM2.5; 134.0; 191; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 14:00; PM2.5; 113.0; 178; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 13:00; PM2.5; 102.0; 172; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-06-2013 12:00 to 01-07-2013 11:59; PM2.5 24hr avg; 174.7; 225; Very Unhealthy
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 12:00; PM2.5; 89.0; 165; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 11:00; PM2.5; 78.0; 158; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 10:00; PM2.5; 76.0; 157; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 09:00; PM2.5; 71.0; 154; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 08:00; PM2.5; 84.0; 162; Unhealthy (at 24-hour exposure at this level)
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6 Jan BeijingAir BeijingAir ‏@BeijingAir

01-07-2013 07:00; PM2.5; 88.0; 164; Unhealthy (at 24-hour exposure at this level)
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