Table 1 Heavy metal concentrations in PM₁₀ samples during the four seasons (ng/m³).

8.54 ± 4.43

8.00 ± 3.87

6.43 ± 2.49

7.22 ± 3.73

7.57 ± 3.73

1.73 ± 0.77

1.52 ± 0.63

3.51 ± 1.04

2.17 ± 1.08

2.20 ± 1.17

0.58 ± 0.23

0.49 ± 0.24

0.40 ± 0.20

0.48 ± 0.28

0.48 ± 0.25

38.4 ± 17.7

29.4 ± 10.8

39.0 ± 13.1

49.9 ± 14.1

38.8 ± 15.7

39.3 ± 18.4

29.9 ± 8.29

35.8 ± 16.5

46.8 ± 12.4

37.7 ± 15.4

1043 ± 453

689 ± 225

786 ± 420

1064 ± 284

891 ± 382

52.3 ± 26.1

35.9 ± 9.59

56.7 ± 16.3

62.0 ± 19.0

51.1 ± 20.8

54.8 ± 18.9

52.8 ± 21.2

82.1 ± 27.4

68.1 ± 23.9

63.8 ± 24.8

38.8 ± 15.5

30.9 ± 9.56

45.0 ± 14.0

62.0 ± 20.5

43.7 ± 18.8

52.1 ± 25.1

37.5 ± 16.4

41.7 ± 17.2

51.4 ± 16.4

45.5 ± 19.8

4.85 ± 1.83

4.55 ± 1.41

6.56 ± 2.77

4.74 ± 1.28

5.15 ± 2.14

296 ± 135

247 ± 125

355 ± 111

399 ± 102

321 ± 131