Variables | Mean ± SD | Min | P25 | P50 | P75 | Max | IQR |
---|---|---|---|---|---|---|---|
The first trimester | |||||||
PM10(μg/m3) | 80.58 ± 10.86 | 49.78 | 72.76 | 81.94 | 88.43 | 106.91 | 15.67 |
PM2.5(μg/m3) | 49.15 ± 11.31 | 24.31 | 40.02 | 47.82 | 56.01 | 81.91 | 15.99 |
CO(mg/m3) | 1.05 ± 0.16 | 0.66 | 0.92 | 1.04 | 1.16 | 1.49 | 0.23 |
NO2(μg/m3) | 40.17 ± 8.40 | 9.53 | 33.79 | 41.22 | 46.34 | 59.83 | 12.55 |
SO2(μg/m3) | 14.56 ± 2.62 | 6.38 | 12.4 | 14.36 | 16.57 | 21.16 | 4.17 |
The second trimester | |||||||
PM10(μg/m3) | 57.31 ± 13.72 | 36.37 | 47.58 | 52.3 | 63.11 | 104.3 | 15.53 |
PM2.5(μg/m3) | 33.34 ± 12.65 | 19.29 | 25.77 | 28.03 | 32.1 | 72.13 | 6.33 |
CO(mg/m3) | 0.94 ± 0.13 | 0.7 | 0.85 | 0.93 | 1.02 | 1.57 | 0.17 |
NO2(μg/m3) | 30.82 ± 6.84 | 15.68 | 26.4 | 29.95 | 33.61 | 57.07 | 7.21 |
SO2(μg/m3) | 13.59 ± 1.59 | 9.36 | 12.67 | 13.73 | 14.6 | 20.06 | 1.93 |
The third trimester | |||||||
PM10(μg/m3) | 68.63 ± 15.37 | 40.4 | 55.33 | 68.18 | 80.06 | 116.65 | 24.73 |
PM2.5(μg/m3) | 48.23 ± 15.02 | 19.77 | 34.07 | 48.32 | 60.77 | 85.72 | 26.7 |
CO(mg/m3) | 1.00 ± 0.28 | 0.67 | 0.82 | 0.92 | 1.08 | 2.86 | 0.26 |
NO2(μg/m3) | 37.15 ± 8.32 | 17.85 | 30.98 | 37.69 | 42.81 | 60.62 | 11.83 |
SO2(μg/m3) | 13.51 ± 1.63 | 9.79 | 12.32 | 13.53 | 14.38 | 20.31 | 2.07 |