Table 2 The distributions of air pollutants by exposure duration (1-year and 2-years)

1-year

 PM₁₀ (µg/m³)

49.4 ± 6.6

48.9

8.3

1

0.8*

0.4*

0.5*

0.6*

 PM_2.5 (µg/m³)

24.2 ± 3.7

23.9

4.6

0.8*

1

0.3*

0.1*

0.4*

  SO₂ (ppb)

4.7 ± 1.9

4.4

1.7

0.4*

0.3*

1

0.3*

0.3*

  NO₂ (ppb)

25.3 ± 9.9

23.4

16.1

0.5*

0.1*

0.3*

1

0.6*

  CO (ppb)

486.5 ± 84.9

489.1

123.6

0.6*

0.4*

0.3*

0.6*

1

2-years

 PM₁₀ (µg/m³)

50.0 ± 6.3

49.4

7.4

1

0.8*

0.4*

0.5*

0.7*

 PM_2.5 (µg/m³)

24.5 ± 3.5

24.2

4.1

0.8*

1

0.3

0.1*

0.4*

  SO₂ (ppb)

4.8 ± 1.9

4.5

1.6

0.4*

0.3*

1

0.3*

0.3*

  NO₂ (ppb)

25.2 ± 9.8

23.4

16.2

0.5*

0.1*

0.3*

1

0.6*

  CO (ppb)

491.9 ± 85.1

496.3

123.7

0.7*

0.4*

0.3*

0.6*

1