Table 2 Descriptive statistics of daily air pollution, meteorological data and mortality
Mean | SD | Min | 25th Percentile | Median | 75th percentile | 98th percentile | Max | |
|---|---|---|---|---|---|---|---|---|
O3 (ppb) | 24.66 | 9.125 | 6.89 | 18.31 | 23.30 | 28.98 | 48.70 | 77.09 |
CO (ppm) | 3.29 | 0.97 | 1.47 | 2.61 | 3.13 | 3.81 | 5.81 | 11.29 |
NO2 (ppb) | 53.47 | 16.52 | 12.06 | 43.03 | 49.82 | 60.33 | 97.04 | 153.57 |
SO2 (ppb) | 33.46 | 10.47 | 9.02 | 26.87 | 32.05 | 38.26 | 62.08 | 119.10 |
PM10 (μg/m3) | 69.75 | 20.61 | 12.02 | 57.39 | 68.04 | 80.65 | 117.2 | 331.20 |
PM2.5 (μg/m3) | 20.68 | 5.87 | 7.43 | 16.72 | 20.23 | 23.67 | 35.85 | 55.06 |
Temperature (°C) | 16.49 | 9.52 | −8.70 | 8.30 | 16.80 | 25.20 | 31.60 | 34.40 |
Relative humidity (%) | 43.72 | 18.37 | 9.75 | 29.63 | 39.50 | 55.75 | 88.62 | 89 |
Male deaths(N) | 6.00 | 2.44 | 0 | 4 | 6 | 8 | 12 | 16 |
Female deaths(N) | 4.39 | 1.90 | 0 | 3 | 4 | 6 | 9 | 16 |
Total deaths(N) | 10.40 | 3.97 | 2 | 7 | 10 | 13 | 19 | 31 |