Table 1 Descriptive statistics on daily air pollutants and meteorological parameters
Variables | Mean (SD) | P25 | P50 | P75 | Range |
|---|---|---|---|---|---|
Air pollutants (μg/m3) | |||||
 PM2.5 | 54.52 (28.42) | 36.01 | 46.60 | 66.52 | 7.15–299.06 |
 PM10 | 123.35 (75.69) | 82.39 | 108.36 | 144.88 | 19.72–1207.13 |
 SO2 | 22.97 (15.06) | 11.47 | 19.06 | 31.12 | 3.47–130.59 |
 NO2 | 51.80 (21.26) | 36.07 | 49.34 | 63.26 | 12.25–138.15 |
Meteorological parameters | |||||
 Temperature (°C) | 11.40 (9.75) | 2.58 | 12.90 | 19.70 | −12.40 – 29.80 |
 Relative humidity (%) | 50.58 (14.57) | 39.00 | 50.00 | 61.00 | 16.00–88.00 |