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

NO_x

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

PM_2.5

23.5 ± 5.4

10.5 ± 1.2

13.5 ± 7.4