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Table 2 Summarized statistics for meteorology and air pollution in Kaohsiung, 2007–2010

From: Fine particulate matter constituents associated with emergency room visits for pediatric asthma: a time-stratified case–crossover study in an urban area

Percentiles

 

Minimum

25%

50%

75%

Maximum

Mean

IQR

PM2.5 (μg/m3)

6.9

18.9

31.6

43.0

119.5

32.7

24.1

PM10 (μg/m3)

10.7

29.7

46.6

66.9

449.5

50.3

37.2

Nitrate (μg/m3)

0.3

1.4

3.9

6.6

20.7

4.4

5.2

Sulfate (μg/m3)

1.1

5.6

9.1

12.5

33.7

9.4

6.9

Organic carbon (μg/m3)

1.4

5.4

7.5

10.6

27.8

8.2

5.2

Elemental carbon (μg/m3)

0.5

1.5

2.0

2.6

16.5

2.1

1.1

Temperature (°C)

13.4

22.6

26.5

28.8

31.6

25.5

6.2

Humidity (%)

44.0

69.0

73.4

77.3

95.3

73.2

8.3

  1. The missing data for all monitor stations were less than 1%