WCAS December 2025
WCAS
January 2026
WCAS
This is a data dashboard for December 2025 WCAS air monitors
Monitored Data
Map
2025 WCAS Data Summary Table
| Readings above the AAAQO and AAAQG | |||||||||||
| West Central Airshed Society | |||||||||||
| SO₂ hour 172ppb |
SO₂ day 48ppb |
SO₂ month 11ppb |
H₂S hour 10ppb |
H₂S day 3ppb |
TRS 30min 5ppb |
NO₂ hour 159ppb |
O₃ hour 76ppb |
PM2.5 hour 80µg/m³ |
PM2.5 day 29µg/m³ |
CO hour 13ppm |
CO 8-hour 5ppm |
|---|---|---|---|---|---|---|---|---|---|---|---|
| December 2025 | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 |
| December 2024 | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 1 | 0 | 0 |
| Parameter | Jasper N = 7451 |
WCAS Breton N = 7451 |
WCAS Carrot Creek N = 7451 |
WCAS Drayton Valley N = 7451 |
WCAS Edson N = 7451 |
WCAS Genesee N = 7451 |
WCAS Hinton-Drinnan N = 7451 |
WCAS Hinton-Hillcrest N = 7451 |
WCAS Meadows N = 7451 |
WCAS Steeper N = 7451 |
WCAS Wagner2 N = 7451 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SO2 | 0.3 (95.0%) | 0.2 (95.2%) | 0.3 (94.4%) | 0.1 (94.9%) | 0.4 (89.7%) | 0.6 (91.9%) | 0.2 (94.5%) | 0.4 (95.0%) | 0.1 (95.0%) | 0.4 (94.9%) | |
| NO | 5.1 (95.0%) | 0.8 (95.0%) | 1.3 (95.2%) | 4.4 (94.4%) | 3.9 (94.9%) | 1.0 (94.6%) | 6.9 (91.9%) | 5.4 (94.5%) | 0.6 (95.0%) | 0.3 (95.0%) | 0.5 (94.9%) |
| NO2 | 10.5 (95.0%) | 5.6 (95.0%) | 6.4 (95.2%) | 11.6 (94.4%) | 9.2 (94.9%) | 5.9 (94.6%) | 9.8 (91.9%) | 9.8 (94.5%) | 5.5 (95.0%) | 1.8 (95.0%) | 5.5 (94.9%) |
| NOX | 15.6 (95.0%) | 6.5 (95.0%) | 7.7 (95.2%) | 16.0 (94.4%) | 13.1 (94.9%) | 6.9 (94.6%) | 16.7 (91.9%) | 15.2 (94.5%) | 6.1 (95.0%) | 2.0 (95.0%) | 6.0 (94.9%) |
| O3 | 17.1 (95.0%) | 22.6 (95.0%) | 18.1 (95.2%) | 16.5 (94.4%) | 16.0 (94.9%) | 21.4 (94.6%) | 15.4 (92.5%) | 19.4 (94.2%) | 30.7 (95.0%) | ||
| PM2.5 | 5.2 (99.9%) | 8.7 (100.0%) | 7.9 (100.0%) | 9.2 (93.4%) | 8.5 (97.3%) | 8.2 (99.5%) | 4.0 (99.7%) | ||||
| RH | 79.5 (100.0%) | 74.7 (100.0%) | 79.9 (100.0%) | 75.0 (100.0%) | 83.0 (100.0%) | 82.4 (100.0%) | 72.3 (97.4%) | 72.2 (100.0%) | 75.8 (100.0%) | 68.3 (100.0%) | 79.9 (100.0%) |
| ET | -8.0 (100.0%) | -12.9 (100.0%) | -14.7 (100.0%) | -13.4 (100.0%) | -14.1 (100.0%) | -12.2 (100.0%) | -12.9 (97.4%) | -11.7 (100.0%) | -14.0 (100.0%) | -8.1 (100.0%) | -14.3 (100.0%) |
| H2S | 0.3 (92.5%) | ||||||||||
| TRS | 0.3 (92.5%) | 0.2 (94.5%) | |||||||||
| CO | 0.1 (95.0%) | ||||||||||
| 1 Mean (% Valid data) | |||||||||||
December 2025 WCAS AQHI Summary
| AQHI Category | Jasper N = 7081 |
WCAS Drayton Valley N = 7031 |
WCAS Edson N = 7071 |
WCAS Genesee N = 6601 |
WCAS Hinton-Drinnan N = 6851 |
WCAS Hinton-Hillcrest N = 7041 |
WCAS Steeper N = 7081 |
|---|---|---|---|---|---|---|---|
| AQHI | |||||||
| 1-3 Low | 708 (100%) | 683 (97%) | 704 (100%) | 647 (98%) | 677 (99%) | 698 (99%) | 707 (100%) |
| 4-6 Moderate | 20 (2.8%) | 3 (0.4%) | 13 (2.0%) | 8 (1.2%) | 6 (0.9%) | 1 (0.1%) | |
| 7-10 High | |||||||
| Very High 10+ | |||||||
| 1 Count (% of total data) | |||||||
Nitrogen Dioxide (ppb)
Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb
[1] "No readings above hourly AAAQO"
Ozone (ppb)
Readings above hourly AAAQO, Ozone > 76ppb
[1] "No readings above hourly AAAQO"
Particulate Matter (PM2.5)
Readings above hourly AAAQG, PM2.5 > 80µg/m³
[1] "No readings above hourly AAAQG"Readings above daily AAAQO, PM2.5 > 29µg/m³
[1] "No readings above daily AAAQO"
Sulphur Dioxide (ppb)
Readings above hourly AAAQO, Sulphur Dioxide > 172ppb
[1] "No readings above hourly AAAQO"Readings above daily AAAQO, Sulphur Dioxide > 48ppb
[1] "No readings above daily AAAQO"Readings above monthly AAAQO, Sulphur Dioxide > 11ppb
[1] "No readings above monthly AAAQO"
Hydrogen Sulphide and Total Reduced Sulphur (ppb)
Readings above hourly AAAQO, Hydrogen Sulphide > 10ppb
[1] "No readings above hourly AAAQO"Readings above daily AAAQO, Hydrogen Sulphide > 3ppb
[1] "No readings above daily AAAQO"
Total Reduced Sulphur (ppb)
Readings above 30min AAAQG, TRS > 5ppb
| date | HD_ws | HD_wd | HH_ws | HH_wd | site | TRS |
|---|---|---|---|---|---|---|
| 2025-12-07 10:30:00 | 2.4 | 112 | 4.1 | 112 | WCAS Hinton-Hillcrest | 6.2 |
| 2025-12-07 12:00:00 | 4.4 | 65 | 4.2 | 66 | WCAS Hinton-Hillcrest | 6.5 |
| 2025-12-07 23:00:00 | 1.4 | 276 | 4.6 | 91 | WCAS Hinton-Hillcrest | 5.2 |
| 2025-12-08 01:30:00 | 1.8 | 188 | 14.2 | 200 | WCAS Hinton-Drinnan | 7.1 |
| 2025-12-08 02:00:00 | 2.2 | 179 | 18.5 | 219 | WCAS Hinton-Drinnan | 9.0 |
| 2025-12-16 13:00:00 | 2.1 | 279 | 5.5 | 204 | WCAS Hinton-Drinnan | 6.5 |
| 2025-12-16 13:30:00 | 0.9 | 230 | 10.2 | 214 | WCAS Hinton-Drinnan | 6.5 |
| 2025-12-16 14:00:00 | 1.1 | 83 | 11.3 | 223 | WCAS Hinton-Drinnan | 6.4 |
| 2025-12-16 14:30:00 | 1.1 | 89 | 8.3 | 230 | WCAS Hinton-Drinnan | 5.7 |
| 2025-12-16 15:00:00 | 1.1 | 152 | 7.5 | 233 | WCAS Hinton-Drinnan | 5.3 |
| 2025-12-16 15:30:00 | 2.1 | 243 | 5.5 | 198 | WCAS Hinton-Drinnan | 5.1 |
Carbon Monoxide (ppm)
Readings above hourly AAAQO, Carbon Monoxide > 13ppm
[1] "No readings above hourly AAAQO"Readings above 8hr AAAQO, Carbon Monoxide > 5ppm
[1] "No readings above daily AAAQO"
Meterology
Temperature
Relative Humidity
