Pollutant | Averaging period | Statistic | df | Kruskal–Wallis Test p value | Post hoc comparisons (Tukey Test) p value | ||
---|---|---|---|---|---|---|---|
S1 vs S2 | S1 vs S3 | S2 vs S3 | |||||
CO | 8-h | 238.95 | 2 | < 0.001 | < 0.001 | 0.016 | < 0.001 |
24-h | 132.60 | 2 | < 0.001 | < 0.001 | 0.823 | < 0.001 | |
Heating season average | 212.11 | 2 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
NO2 | 1-h | 469.87 | 2 | < 0.001 | < 0.001 | < 0.001 | 0.955 |
24-h | 497.88 | 2 | < 0.001 | < 0.001 | < 0.001 | 0.759 | |
Heating Season Average | 327.11 | 2 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |