Research Article
Source Contributions of PM2.5 in the Severe Haze Episode in Hebei Cities
Table 3
The sectoral contributions to the PM2.5 concentrations in 11 cities of Hebei.
| | | | PO | IN | DO | TR | AG |
| | Shijiazhuang | Jan. | 0.5 | 35.1 | 39.4 | 4.1 | 15.4 | | Feb. | 0.4 | 38.0 | 36.3 | 4.4 | 17.5 |
| | Xingtai | Jan. | 0.0 | 33.6 | 42.4 | 1.2 | 17.3 | | Feb. | 0.7 | 35.5 | 38.1 | 2.4 | 20.8 |
| | Handan | Jan. | −0.1 | 35.4 | 40.7 | 2.2 | 17.4 | | Feb. | 1.0 | 37.0 | 35.1 | 4.0 | 20.9 |
| | Zhangjiakou | Jan. | 0.9 | 30.4 | 31.3 | 3.7 | 9.7 | | Feb. | 1.4 | 35.1 | 27.3 | 4.6 | 11.2 |
| | Chengde | Jan. | 0.4 | 16.7 | 43.1 | 2.0 | 11.5 | | Feb. | 1.1 | 21.9 | 36.4 | 3.1 | 16.5 |
| | Qinhuangdao | Jan. | 1.1 | 28.7 | 25.3 | 2.6 | 9.0 | | Feb. | 1.7 | 33.0 | 22.9 | 3.5 | 13.5 |
| | Cangzhou | Jan. | −0.4 | 22.7 | 43.6 | 0.1 | 20.8 | | Feb. | 1.7 | 26.7 | 38.0 | 2.4 | 24.3 |
| | Hengshui | Jan. | −1.8 | 21.3 | 46.5 | −0.4 | 23.7 | | Feb. | 1.2 | 24.4 | 39.0 | 2.1 | 26.7 |
| | Langfang | Jan. | 0.0 | 26.6 | 49.0 | 1.4 | 12.9 | | Feb. | 0.6 | 28.6 | 47.0 | 2.0 | 16.1 |
| | Baoding | Jan. | −0.1 | 38.1 | 42.0 | 3.0 | 11.8 | | Feb. | 0.5 | 41.9 | 36.9 | 3.8 | 14.8 |
| | Tangshan | Jan. | 1.8 | 39.8 | 36.4 | 1.4 | 10.4 | | Feb. | 2.3 | 45.8 | 30.2 | 2.2 | 14.4 |
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