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Correlation coefficient between air pollution and weather variables during the study period.
| PM10 | O3 | NO2 | SO2 | CO | |
|---|---|---|---|---|---|
| O3 | 0.29 | ||||
| NO2 | 0.45 | 0.34 | |||
| SO2 | 0.16 | 0.04 | 0.09 | ||
| CO | 0.3 | 0.17 | 0.54 | 0.13 | |
| Temperature | −0.13 | −0.06 | −0.27 | −0.08 | −0.24 |
| Relative humidity | −0.34 | −0.45 | −0.21 | −0.18 | −0.08 |
