Pollutant | Sunny day | Cold/rainy day | Weekend day |
Benzene | 1.32 ± 1.01 | 0.50 ± 0.10 | 0.56 ± 0.26 |
Toluene | 3.68 ± 3.73 | 1.34 ± 0.47 | 1.56 ± 0.97 |
Ethylbenzene | 1.33 ± 1.04 | 0.34 ± 0.08 | 0.47 ± 0.23 |
m,p-Xylene | 3.18 ± 3.34 | 0.99 ± 0.29 | 1.35 ± 0.72 |
o-Xylene | 1.15 ± 1.70 | 0.32 ± 0.09 | 0.43 ± 0.21 |
NO | 32.0 ± 49.8 | 1.1 ± 1.5 | 1.6 ± 1.8 |
NO2 | 41.2 ± 26.4 | 18.5 ± 11.1 | 18.1 ± 15.8 |
NOx | 47.2 ± 52.1 | 10.6 ± 6.6 | 10.8 ± 9.1 |
O3 | 42.9 ± 35.8 | 48.1 ± 12.8 | 61.3 ± 24.6 |
CO** | 0.5 ± 0.4 | 0.3 ± 0.05 | 0.3 ± 0.1 |
SO2 | 1.3 ± 1.0 | 0.3 ± 0.2 | 0.8 ± 0.7 |
PM10 | 84.4 ± 43.1 | 19.7 ± 3.1 | 33.3 ± 10.4 |
PM2.5 | 23.5 ± 5.4 | 10.5 ± 1.2 | 13.5 ± 7.4 |