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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%