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 |