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Table 1 Descriptive analysis air pollutants inSuzhou City, 2014–2016

From: The relationship between air quality and respiratory pathogens among children in Suzhou City

  Pollutants Mean Sd Min P25 P50 P75 Max
2014 PM2.5 (μg/m3) 66.38 22.22 12 53 64 74 230
PM10 (μg/m3) 89.94 26.25 14 72 87 102 283
NO2 (μg/m3) 51.72 13.74 14 41 48 59 125
SO2 (μg/m3) 23.06 7.68 5 16 19 24 60
CO(mg/m3) 0.93 0.18 0.48 0.82 0.9 1.0 2.32
O3 (μg/m3) 55.98 22.03 5 39 39 69 157
2015 PM2.5 (μg/m3) 57.51 23.40 7 41 53 69 230
PM10 (μg/m3) 80.51 26.77 16 62 74 95 283
NO2 (μg/m3) 50.58 14.37 13 40 50 62 125
SO2 (μg/m3) 21.23 7.65 5 15 18 23 62
CO(mg/m3) 0.93 0.21 0.43 0.77 0.88 1.05 2.32
O3 (μg/m3) 57.44 23.63 5 36 62 75 157
2016 PM2.5 (μg/m3) 45.41 22.04 6 28 40 58 157
PM10 (μg/m3) 71.27 24.96 10 53 67 86 281
NO2 (μg/m3) 48.71 13.91 17 40 47 56 123
SO2 (μg/m3) 16.84 5.30 5 12 14 18 39
CO(mg/m3) 0.94 0.19 0.51 0.82 0.92 1.04 1.81
O3 (μg/m3) 60.07 22.86 4 40 57 78 151