Pollutant | Temperature[°C] | Relative humidity [%] | Wind speed [m/s] | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Shanghai | Spring | Summer | Winter | Autumn | Spring | Summer | Winter | Autumn | Spring | Summer | Winter | Autumn |
 PM2.5 | 0.110 | − 0.110 | − 0.084 | − 0.225 | − 0.003 | − 0.159 | − 0.115 | 0.005 | − 0.242 | − 0.450 | − 0.218 | − 0.264 |
 PM10 | 0.171 | 0.299 | − 0.191 | − 0.146 | − 0.403 | − 0.511 | − 0.415 | − 0.260 | − 0.125 | − 0.220 | − 0.174 | − 0.258 |
 NO2 | − 0.013 | − 0.224 | 0.031 | − 0.346 | − 0.063 | 0.097 | − 0.086 | 0.083 | − 0.439 | − 0.675 | − 0.429 | − 0.575 |
 SO2 | 0.251 | 0.116 | − 0.327 | − 0.032 | − 0.307 | − 0.548 | − 0.458 | − 0.313 | − 0.107 | − 0.042 | − 0.145 | − 0.211 |
 O3 | 0.551 | 0.162 | 0.226 | 0.365 | − 0.550 | − 0.525 | − 0.173 | − 0.425 | − 0.005 | − 0.283 | 0.069 | − 0.164 |
Hefei | ||||||||||||
 PM2.5 | − 0.138 | 0.071 | 0.02 | − 0.211 | 0.059 | − 0.330 | 0.13 | − 0.047 | − 0.068 | − 0.311 | − 0.25 | − 0.224 |
 PM10 | 0.138 | 0.336 | 0.09 | − 0.028 | − 0.472 | − 0.635 | − 0.27 | − 0.427 | − 0.051 | − 0.266 | − 0.26 | − 0.302 |
 NO2 | 0.037 | − 0.070 | 0.02 | − 0.260 | − 0.382 | − 0.245 | − 0.23 | − 0.333 | − 0.298 | − 0.524 | − 0.38 | − 0.547 |
 SO2 | 0.117 | 0.248 | 0.04 | − 0.049 | − 0.512 | − 0.475 | − 0.59 | − 0.464 | − 0.070 | − 0.059 | − 0.24 | − 0.248 |
 O3 | 0.652 | 0.266 | 0.19 | 0.692 | − 0.590 | − 0.744 | − 0.43 | − 0.463 | − 0.177 | − 0.224 | 0.19 | − 0.176 |
Nanjing | ||||||||||||
 PM2.5 | 0.05 | − 0.006 | 0.002 | − 0.23 | 0.02 | − 0.20 | 0.05 | 0.01 | − 0.19 | − 0.20 | − 0.25 | − 0.12 |
 PM10 | 0.43 | 0.15 | 0.016 | − 0.19 | − 0.32 | − 0.46 | − 0.17 | − 0.34 | − 0.21 | − 0.15 | − 0.23 | 0.02 |
 NO2 | 0.19 | − 0.03 | 0.071 | − 0.28 | − 0.33 | − 0.11 | − 0.13 | − 0.31 | − 0.36 | − 0.45 | − 0.40 | − 0.33 |
 SO2 | 0.0016 | 0.25 | − 0.08 | 0.12 | − 0.40 | − 0.60 | − 0.41 | − 0.45 | − 0.32 | − 0.05 | − 0.22 | − 0.20 |
 O3 | 0.26 | 0.26 | 0.17 | 0.67 | − 0.61 | − 0.70 | − 0.43 | − 0.42 | − 0.08 | − 0.09 | 0.17 | − 0.05 |
Hangzhou | ||||||||||||
 PM2.5 | 0.056 | 0.003 | − 0.015 | − 0.022 | − 0.110 | − 0.154 | − 0.093 | − 0.097 | − 0.165 | − 0.349 | − 0.246 | − 0.39 |
 PM10 | 0.108 | 0.112 | 0.078 | − 0.048 | − 0.375 | − 0.295 | − 0.242 | − 0.290 | − 0.134 | − 0.284 | − 0.228 | − 0.40 |
 NO2 | − 0.013 | − 0.382 | 0.076 | − 0.269 | − 0.091 | 0.252 | − 0.021 | − 0.106 | − 0.340 | − 0.587 | − 0.264 | − 0.57 |
 SO2 | 0.078 | 0.160 | − 0.306 | − 0.053 | − 0.454 | − 0.420 | − 0.239 | − 0.368 | − 0.032 | 0.080 | − 0.074 | − 0.27 |
 O3 | 0.554 | 0.302 | 0.146 | 0.633 | − 0.690 | − 0.567 | − 0.487 | − 0.622 | − 0.011 | − 0.174 | 0.076 | − 0.08 |