a) Correlation of PM10_road in T1, T2, T3 and WP | b) Correlation of PM10_other in T1, T2, T3 and WP | c) Correlation of PM10_total in T1, T2, T3 and WP | ||||||||||||
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PM10_road | T1 | T2 | T3 | WP | PM10_other | T1 | T2 | T3 | WP | PM10_total | T1 | T2 | T3 | WP |
T1 | 1 | Â | Â | Â | T1 | 1 | Â | Â | Â | T1 | 1 | Â | Â | Â |
T2 | 0.94 | 1 |  |  | T2 | 0.86 | 1 |  |  | T2 | −0.03 | 1 |  |  |
T3 | 0.91 | 0.92 | 1 |  | T3 | 0.84 | 0.85 | 1 |  | T3 | −0.08 | 0.03 | 1 |  |
WP | 0.97 | 0.98 | 0.97 | 1 | WP | 0.95 | 0.95 | 0.94 | 1 | WP | 0.53 | 0.61 | 0.54 | 1 |