Table 2 The 24-h mean concentrations of outdoor and indoor air pollutants and meteorological parameters during the study period
| Â | n | Mean | SD | Minimum | Median | Maximum | IQR |
|---|---|---|---|---|---|---|---|
Outdoor air pollutants | |||||||
 PM2.5 (μg/m3) | 29 | 30.9 | 12.5 | 13.7 | 30.6 | 61.6 | 18.4 |
 PM10-2.5 (μg/m3) | 29 | 22.7 | 15.4 | 6.0 | 16.2 | 54.2 | 24.2 |
 BC (μg/m3) | 29 | 0.55 | 0.22 | 0.26 | 0.49 | 1.25 | 0.23 |
 O3 (ppb) | 21 | 44.6 | 10.3 | 25.7 | 46.1 | 58.5 | 20.8 |
 NO2 (ppb) | 21 | 9.2 | 3.8 | 4.2 | 8.6 | 16.7 | 6.3 |
Indoor air pollutants | |||||||
 PM2.5 (μg/m3) | 29 | 17.0 | 9.6 | 3.7 | 16.5 | 39.3 | 12.6 |
 O3 (ppb) | 21 | 15.9 | 7.5 | 1.9 | 16.2 | 30.0 | 11.0 |
 NO2 (ppb) | 21 | 6.3 | 3.0 | 2.2 | 5.8 | 15.3 | 4.2 |
Meteorological parameters | |||||||
 Temperature (°C) | 29 | 20.2 | 2.1 | 15.8 | 19.8 | 23.9 | 3.6 |
 Relative humidity (%) | 29 | 71.5 | 11.1 | 52.0 | 69.0 | 92.0 | 15.5 |