Detection items | Minimum | Maximum | Mean | Standard deviation |
NO2 | 7.00 | 59.00 | 19.70 | 8.56 |
SO2 | 22.00 | 79.00 | 44.60 | 10.45 |
PM10 | 5.00 | 139.00 | 62.30 | 19.76 |