Warmer months (April to September)
|
24-hour PM7† | Increment | 30 μg/m3 | 1.041 | (0.984–1.102) | 1.027 | (0.993–1.062) |
24-hour NO2 | Increment | 10 ppb | 0.995 | (0.955–1.037) | 0.995 | (0.971–1.019) |
24-hour Ox ‡ | Increment | 10 ppb | 0.996 | (0.961–1.033) | 0.975 | (0.955–0.996)¶ |
Temperature§ | | | | | | |
| <0°C (0–1%) | | – | (–) | – | (–) |
| 0–8°C (1–25%) | | 1.253 | (0.938–1.674) | 1.074 | (0.904–1.275) |
| 8–15°C (25–50%) | | 1.054 | (0.948–1.172) | 0.993 | (0.931–1.059) |
| 15–22°C (50–75%) | Reference | 1.000 | | 1.000 | |
| 22–30°C (75–99%) | | 0.940 | (0.865–1.023) | 0.993 | (0.945–1.043) |
| >30°C (99–100%) | | 1.153 | (0.937–1.420) | 1.133 | (1.002–1.280)¶ |
RH‡ | Increment | 10% | 0.961 | (0.881–1.048) | 0.931 | (0.884–0.981)¶ |
| | | | | | |
Colder months (October to March)
|
24-hour PM7† | Increment | 30 μg/m3 | 1.005 | (0.951–1.061) | 1.005 | (0.973–1.039) |
24-hour NO2 | Increment | 10 ppb | 1.025 | (0.976–1.077) | 1.000 | (0.971–1.030) |
24-hour Ox ‡ | Increment | 10 ppb | 1.010 | (0.950–1.033) | 1.006 | (0.970–1.044) |
Temperature§ | | | | | | |
| <0°C (0–1%) | | 0.498 | (0.199–1.247) | 0.974 | (0.666–1.425) |
| 0–8°C (1–25%) | | 1.225 | (1.082–1.386)¶ | 1.058 | (0.984–1.138) |
| 8–15°C (25–50%) | | 1.098 | (0.987–1.221) | 1.037 | (0.974–1.104) |
| 15–22°C (50–75%) | Reference | 1.000 | | 1.000 | |
| 22–30°C (75–99%) | | 0.819 | (0.668–1.006) | 0.933 | (0.830–1.048) |
| >30°C (99–100%) | | – | (–) | – | (–) |
RH‡ | Increment | 10% | 0.935 | (0.866–1.009) | 0.981 | (0.936–1.028) |