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Environmental Sciences Europe

Table 2 Summary distributions of PM2.5 mass, and its constituents in the 3-year exposure window before the baseline of the CMEC study

From: Associations of long-term exposure to PM2.5 constituents with serum uric acid and hyperuricemia in Chinese adults

Exposure

Mean

SD

Min

Percentile

Max

25%

50%

75%

PM2.5, μg/m3

37.88

21.59

6.77

12.72

40.66

56.61

70.76

BC, μg/m3

1.95

1.14

0.31

0.65

2.06

2.96

3.73

Ammonium, μg/m3

6.01

3.46

0.90

1.89

6.58

9.06

11.11

Nitrate, μg/m3

7.67

5.57

0.33

1.34

7.15

12.60

16.22

OM, μg/m3

8.57

5.00

1.36

2.85

8.88

12.81

16.82

Sulfate, μg/m3

10.13

5.03

2.16

4.03

10.81

14.34

17.14

SOIL, μg/m3

2.99

1.83

0.43

1.04

2.97

4.58

6.45

SS, μg/m3

0.03

0.03

0.00

0.01

0.02

0.03

0.11

  1. SD, standard deviation; PM2.5, particulate matter with aerodynamic diameter ≤ 2.5 µm; BC, black carbon; OM, organic matter; SOIL, soil particles; SS, sea salt
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