Table 1.
Summary of air pollutants and environmental variables.
| Mean | Standard deviation | Minimum | First quartile | Median | Third quartile | Maximum | |
|---|---|---|---|---|---|---|---|
| PM2.5 (μg/m3) | 27.25 | 8.23 | 10.29 | 21.07 | 27.25 | 33.93 | 43.50 |
| PM10 (μg/m3) | 47.50 | 12.33 | 22.39 | 38.96 | 46.14 | 57.93 | 72.61 |
| CO (μg/m3) | 584.70 | 111.00 | 332.10 | 507.10 | 589.30 | 653.60 | 839.30 |
| NO2 (μg/m3) | 31.48 | 8.71 | 14.04 | 23.82 | 31.29 | 37.21 | 56.00 |
| SO2 (μg/m3) | 10.84 | 2.03 | 6.57 | 9.21 | 10.64 | 12.36 | 17.29 |
| Temperature (°C) | 21.52 | 5.80 | 10.97 | 15.63 | 22.51 | 27.01 | 29.25 |
| Precipitation (mm) | 4.00 | 3.29 | 0.01 | 1.48 | 3.48 | 5.43 | 17.39 |
| Wind speed (m/s) | 2.69 | 0.39 | 2.03 | 2.44 | 2.57 | 2.80 | 3.99 |
| Humidity (%) | 77.87 | 6.63 | 59.14 | 73.75 | 78.50 | 81.96 | 93.00 |