Research Article
Spatiotemporal Distribution of Air Pollution Characteristics in Jiangsu Province, China
Table 4
Daily average value of the concentration of various pollutants in Jiangsu between September 2017 and August 2018.
| | Pollutants | Spring | Summer | Fall | Winter | National secondary standard daily average threshold |
| | PM10 (μg/m3) | 93.7 | 52.3 | 76.1 | 112.4 | 150 | | PM2.5 (μg/m3) | 49.6 | 27.0 | 43.0 | 75.9 | 75 | | PM2.5/PM10 | 0.53 | 0.52 | 0.57 | 0.68 | 0.59 | | O3_8h_max | 125.8 | 142.8 | 98.2 | 65.5 | 160 | | NO2 (μg/m3) | 43.8 | 25.2 | 41.4 | 54.2 | 80 | | SO2 (μg/m3) | 13.6 | 10.9 | 14.5 | 16.7 | 150 | | CO (mg/m3) | 0.73 | 0.60 | 0.78 | 1.04 | 4 |
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