Research Article
Study on a Large-Scale Persistent Strong Dense Fog Event in Central and Eastern China
Table 3
Daily mean concentrations of PM2.5 in cities of Hebei province from December 30, 2016, to January 5, 2017 (μg/m3).
| | Date | Shijiazhuang | Xingtai | Baoding | Handan | Hengshui | Cangzhou | Langfang | Tangshan | Qinghuangdao | Chengde | Zhangjiakou |
| | 2016-12-30 | 310.5 | 248.2 | 228.9 | 206.2 | 192.1 | 159.7 | 199.5 | 166.7 | 170.1 | 61.3 | 47.9 | | 2016-12-31 | 498.8 | 411.5 | 329.8 | 373.7 | 214.3 | 211 | 335.6 | 325.3 | 245.3 | 82.9 | 65.3 | | 2017-01-01 | 320.3 | 234.3 | 224.5 | 239.3 | 129.7 | 143.5 | 262.7 | 194.3 | 352.1 | 105.1 | 45.3 | | 2017-01-02 | 289.8 | 282.8 | 236.8 | 263.1 | 199.1 | 177.9 | 284.4 | 244.4 | 130.2 | 66.3 | 37.8 | | 2017-01-03 | 267.9 | 230.1 | 300.8 | 187 | 144.1 | 172.5 | 358.4 | 286.2 | 137.4 | 74.8 | 47.4 | | 2017-01-04 | 305.5 | 180.6 | 233.6 | 183.9 | 106.8 | 134.7 | 293.4 | 267.2 | 102 | 81.9 | 65.5 | | 2017-01-05 | 289.4 | 211.5 | 209.4 | 213.9 | 145.9 | 81.5 | 179.6 | 117 | 49.8 | 93.8 | 105.7 |
| | Average value | 326.0 | 257.0 | 252.0 | 238.2 | 161.7 | 154.4 | 273.4 | 228.7 | 169.6 | 80.9 | 59.3 |
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