| Pollutants | Temperature | Vapour pressure | Relative humidity | |||
| β value | R2 | β value | R2 | β value | R2 | |
| PM10 | 0.73 | 0.2 | 0.42 | 0.21 | 0.42 | 0.35 |
| PM2.5 | 0.28 | 0.03 | 0.90 | 0.77 | 0.15 | 0.04 |
| SO2 | 0.11 | 0.14 | 0.05 | 0.09 | 0.06 | 0.03 |
| NO2 | 0.99 | 0.44 | 0.33 | 0.14 | 0.46 | 0.46 |
| CO | 0.01 | 0.01 | 0.01 | 0.11 | 0.03 | 0.07 |