| Readings above the AAAQO and AAAQG | ||||||
| Drayton Valley Station, West Central Airshed Society | ||||||
| SOâ‚‚ hour 172ppb |
SOâ‚‚ day 48ppb |
SOâ‚‚ month 11ppb |
NOâ‚‚ hour 159ppb |
O₃ hour 76ppb |
PM2.5 hour 80µg/m³ |
PM2.5 day 29µg/m³ |
|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 20 | 176 | 34 |
| Characteristic | N = 8,7601 |
|---|---|
| AQHI | |
| Â Â Â Â 1-3 Low | 6,841 (78%) |
| Â Â Â Â 4-6 Moderate | 1,242 (14%) |
| Â Â Â Â 7-10 High | 73 (0.8%) |
| Â Â Â Â 10+ Very High | 63 (0.7%) |
| Â Â Â Â No Data | 541 (6.2%) |
| 1 n (%) | |
| Parameter | WCAS Drayton Valley Station N = 87601 |
|---|---|
| SO2 | 0.2 (0.7, 94.9%) |
| NO | 3.2 (14.5, 94.6%) |
| NO2 | 8.4 (25.3, 94.6%) |
| NOX | 11.6 (39.4, 94.6%) |
| O3 | 29.1 (53.5, 94.1%) |
| PM2.5 | 13.9 (45.9, 99.8%) |
| RH | 59.9 (89.6, 100.0%) |
| ET | 5.9 (22.9, 100.0%) |
| 1 Mean (95th percentile, % Valid data) | |