| Parameters | Units | N | Mean ± SE | SD | % | Range in parentheses |
| Temperature (T) | ˚C | 21.00 | 25.57 ± 1.23 | 5.64 | 7.90 | 24 - 30 |
| Air quality index (AQI) | µg/m3 | 21.00 | 2.67 ± 0.36 | 1.65 | 0.82 | 1 - 5 |
| Carbon monoxide (CO) | µg/m3 | 21.00 | 240 ± 19.78 | 90.66 | 74.10 | 87 - 378 |
| Nitrogen (II) oxide (NO) | µg/m3 | 21.00 | 0.05 ± 0.03 | 0.12 | 0.02 | 0.01 - 0.51 |
| Ozone (O3) | µg/m3 | 21.00 | 0.73 ± 0.16 | 0.73 | 0.23 | 0.17 - 3.38 |
| Nitrogen (IV) oxide (NO2) | µg/m3 | 21.00 | 57.39 ± 12.29 | 56.31 | 17.71 | 19.13 - 279 |
| Sulphur (IV) oxide (SO2) | µg/m3 | 21.00 | 0.94 ± 0.27 | 1.26 | 0.29 | 0.12 - 4.47 |
| Ammonia (NH3) | µg/m3 | 21.00 | 0.14 ± 0.06 | 0.25 | 0.04 | 0.01 - 0.79 |
| Particulate matter (PM10) | µg/m3 | 21.00 | 50.55 ± 14.22 | 65.14 | 15.60 | 1.15 - 253 |
| Particulate matter (PM2.5) | µg/m3 | 21.00 | 22.73 ± 8.47 | 38.81 | 7.02 | 0.76 - 70 |