Table 2 Descriptive statistics of individual time-weighted exposure to ambient PM

PM_2.5 (μg/m³)

 1-year exposure

42.276 (3.843)

31.435

74.004

37.080

39.669

41.899

44.494

48.426

 2-year exposure

42.414 (3.940)

31.809

74.243

36.902

39.703

41.997

44.644

48.898

PM₁₀ (μg/m³)

 1-year exposure

32.321 (4.075)

20.819

53.331

24.910

30.091

32.526

34.850

38.807

 2-year exposure

32.373 (4.043)

21.146

53.343

25.088

30.172

32.495

34.902

38.685