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Table 2 Summary statistics of annual average concentrations of PM10, PM2.5, and NO2 predicted at home addresses of 14,614 children in the Seoul Atopy Friendly School Project Survey in Seoul, Korea, for 2010

From: Association between exposure to traffic-related air pollution and pediatric allergic diseases based on modeled air pollution concentrations and traffic measures in Seoul, Korea: a comparative analysis

Exposure

Mean

SD

Min

Median

Max

Home only

 PM10 (μg/m3)

49.67

3.2

39.07

49.4

66.3

 PM2.5 (μg/m3)

25.3

3.0

18.42

25.03

50.89

 NO2 (ppm)

35.99

5.8

22.52

34.71

75.24

Home and school (2:1)a

 PM10 (μg/m3)

49.36

2.3

42.29

49.17

61.1

 PM2.5 (μg/m3)

25.13

2.2

19.38

24.94

41.69

 NO2 (ppm)

35.6

4.1

26.93

34.91

63.76

  1. a Weighted means of predicted air pollution concentrations at homes and schools using the ratio of 2:1
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Environmental Health

ISSN: 1476-069X