Table 2 Distribution of NO₂, PM_2.5, PM_2.5 absorbance, PM₁₀, PM_coarse, PNC (Particle Number Concentration) and LDSA (Lung Deposited Surface Area) concentrations over the measurement sites

NO₂ (μg/m³)

All: Aarau, Basel, Davos, Geneva, Lugano, Montana, Payerne, Wald

312

21.9

3.7

11.0

13.7

20.5

28.4

35.4

62.9

Alpine: Davos, Montana

78

18.5

3.7

8.0

11.5

17.0

23.0

30.1

48.7

Non-alpine: Aarau, Basel, Geneva, Lugano, Payerne, Wald

234

23.0

5.2

11.6

14.1

21.3

29.5

36.2

62.9

Aarau

40

22.2

11.4

12.9

16.5

20.9

28.9

32.9

35.2

Basel

40

23.3

11.3

14.3

19.3

22.7

26.9

32.6

39.5

Davos

38

22.1

7.1

8.0

13.8

20.9

28.6

41.6

48.7

Geneva

38

29.1

12.0

16.8

21.5

26.0

34.2

47.3

62.9

Lugano

37

32.5

13.8

20.6

26.0

32.8

36.6

46.6

55.0

Montana

40

15.0

3.7

7.8

11.1

14.5

18.7

23.1

29.6

Payerne

40

15.0

8.1

10.1

11.8

13.9

17.0

22.1

34.0

Wald

39

16.9

5.2

7.0

10.0

13.1

21.9

33.7

48.4

PM_2.5 (μg/m³)

Basel, Geneva, Lugano, Wald

74

14.2

7.8

10.5

12.6

13.5

16.0

17.9

25.1

PM_2.5 abs (10⁻⁵ m⁻¹)

Basel, Geneva, Lugano, Wald

74

0.94

0.33

0.42

0.66

0.87

1.26

1.49

1.80

PM₁₀ (μg/m³)

Basel, Geneva, Lugano, Wald

74

20.1

13.0

15.2

17.3

19.3

22.7

26.2

31.9

PM_coarse (μg/m³)

Basel, Geneva, Lugano, Wald

74

6.1

2.6

3.6

4.5

6.2

7.2

9.0

11.1

PNC (particles/cm³)

Basel, Geneva, Lugano, Wald

67

12016

3361

4873

8639

11624

15952

19599

22896

LDSA (μm²/cm³)

Basel, Geneva, Lugano, Wald

67

32.1

12.2

15.4

24.7

31.4

40.4

46.8

61.3