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Pearson correlation coefficients and p values between climate variables and daily average ground level gaseous pollutants concentrations O3 and NO2.
| Time period: January–April 2020 | ||||
|---|---|---|---|---|
| Daily average climate variable | Ozone O3 (μg/m3) |
Nitrogen dioxide NO2 (μg/m3) |
||
| R2 | P-value | R2 | p-value | |
| Planetary Boundary Layer (PBL) | 0.74 | 0 | −0.52 | <0.01 |
| Air Temperature (T) | 0.84 | 0 | 0.46 | <0.01 |
| Relative Humidity (RH) | −0.79 | 0 | 0.19 | 0.05 |
| Wind speed | 0.26 | <0.01 | −0.50 | <0.01 |
