Table 3.
correlation between temperature and NO2 concentration.
| rs | p value | |
|---|---|---|
| All year (n=1461) | −0.54 | < 0.001 |
| Warm period (n=368) | −0.59 | < 0.001 |
| Cold period (n=361) | 0.22 | < 0.001 |
Abbreviations: rs: Spearman's rank correlation coefficient
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