ACA February 2026
ACA
March 2026
ACA
This is a data Summary dashboard for February 2026 ACA Monitorings
Monitored Data
Map
February 2026 ACA Data Summary Table
| Readings above the AAAQO and AAAQG | |||||||||||
| Alberta Capital Airshed | |||||||||||
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| February 2026 | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| February 2025 | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Parameter | ACA Edmonton East N = 6731 |
ACA Edmonton Lendrum N = 6731 |
ACA Edmonton McCauley N = 6731 |
ACA Enoch N = 6731 |
ACA OMorrow N = 6731 |
ACA Poachers Landing N = 6731 |
ACA St.Albert N = 6731 |
ACA Woodcroft N = 6731 |
Ardrossan N = 6721 |
Sherwood Park N = 6721 |
|---|---|---|---|---|---|---|---|---|---|---|
| SO2 | 0.5 (94.9%) | 0.4 (93.2%) | 0.2 (95.1%) | 0.4 (93.8%) | 0.2 (94.8%) | 0.9 (95.7%) | 1.0 (97.2%) | |||
| NO | 7.5 (94.9%) | 6.8 (93.2%) | 6.2 (94.9%) | 3.8 (66.4%) | 5.7 (80.4%) | 7.3 (94.8%) | 2.5 (99.3%) | 4.2 (99.3%) | ||
| NO2 | 18.4 (94.9%) | 17.6 (93.2%) | 18.3 (94.9%) | 9.0 (66.6%) | 14.9 (80.4%) | 18.8 (94.8%) | 9.6 (99.3%) | 14.2 (95.1%) | ||
| NOX | 25.9 (94.9%) | 24.4 (93.2%) | 24.5 (94.9%) | 12.7 (66.6%) | 20.5 (80.4%) | 26.1 (94.8%) | 12.1 (99.3%) | 18.5 (95.1%) | ||
| O3 | 19.6 (95.1%) | 20.3 (93.2%) | 20.4 (94.9%) | 26.2 (93.5%) | 22.1 (83.8%) | 18.3 (94.8%) | 23.7 (95.7%) | 23.9 (99.3%) | ||
| PM2.5 | 7.3 (100.0%) | 6.3 (99.9%) | 9.1 (100.0%) | 4.6 (99.7%) | 4.1 (97.5%) | 6.1 (99.7%) | 9.8 (100.0%) | 4.1 (99.9%) | 5.7 (100.0%) | |
| RH | 71.5 (100.0%) | 72.1 (100.0%) | 59.4 (100.0%) | 65.5 (100.0%) | 71.7 (100.0%) | 71.6 (100.0%) | 64.7 (100.0%) | |||
| ET | -4.9 (100.0%) | -5.6 (100.0%) | -4.6 (100.0%) | -6.1 (100.0%) | -9.1 (100.0%) | -5.7 (100.0%) | -5.4 (100.0%) | -5.7 (100.0%) | -5.3 (100.0%) | |
| BP | 945.6 (100.0%) | 949.4 (100.0%) | ||||||||
| H2S | 0.4 (95.1%) | 0.4 (94.9%) | 0.1 (99.4%) | |||||||
| TRS | 0.3 (94.9%) | 0.5 (94.9%) | ||||||||
| THC | 2.2 (94.7%) | 2.2 (99.6%) | ||||||||
| CH4 | 2.0 (94.7%) | |||||||||
| NMHC | 0.1 (94.7%) | |||||||||
| CO | 0.2 (94.9%) | 0.3 (94.9%) | ||||||||
| 1 Mean (% Valid data) | ||||||||||
February 2026 ACA AQHI Summary
| AQHI Category | ACA Edmonton East N = 6381 |
ACA Edmonton Lendrum N = 6271 |
ACA Edmonton McCauley N = 6391 |
ACA Enoch N = 4831 |
ACA St.Albert N = 5681 |
ACA Woodcroft N = 6381 |
Ardrossan N = 6641 |
Sherwood Park N = 6641 |
|---|---|---|---|---|---|---|---|---|
| AQHI | ||||||||
| 1-3 Low | 512 (80%) | 525 (84%) | 506 (79%) | 467 (97%) | 486 (86%) | 507 (79%) | 664 (100%) | 601 (91%) |
| 4-6 Moderate | 126 (20%) | 102 (16%) | 132 (21%) | 16 (3.3%) | 82 (14%) | 131 (21%) | 63 (9.5%) | |
| 7-10 High | 1 (0.2%) | |||||||
| Very High 10+ | ||||||||
| 1 Count (% of total data) | ||||||||
Calendar Plots
Edmonton Woodcroft
AQHI
NO2
SO2
O3
PM2.5
St. Albert
AQHI
NO2
SO2
O3
PM2.5
Edmonton McCauley
AQHI
NO2
O3
PM2.5
CO
Edmonton Lendrum
AQHI
NO2
O3
PM2.5
SO2
Edmonton East
AQHI
NO2
O3
PM2.5
SO2
CO
THC
O’Morrow 1
SO2
TRS
PM2.5
Poachers Landing 2
TRS
Enoch
AQHI
NO2
O3
PM2.5
Nitrogen Dioxide (ppb)
Monthly plots
Readings above AAAQO
Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb
[1] "No readings above hourly AAAQO"Ozone (ppb)
Monthly plots
Readings above AAAQO
Readings above hourly AAAQO, Ozone > 76ppb
[1] "No readings above hourly AAAQO"Particulate Matter (PM2.5)
Monthly plots
Readings above AAAQG and AAAQO
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)
Monthly plots
Readings above AAAQO
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 (ppb)
Monthly plots
Readings above AAAQO
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)
Monthly plots
Readings above AAAQO and AAAQG
Readings above 30min AAAQG, TRS > 5ppb
[1] "No readings above hourly AAAQG"Readings above hourly AAAQO, using Hydrogen Sulphide > 10ppb for TRS
[1] "No readings above hourly AAAQO"Readings above daily AAAQO, Hydrogen Sulphide > 3ppb for TRS
[1] "No readings above daily AAAQO"Carbon Monoxide (ppm)
Monthly plots
Readings above AAAQO
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"Total Hydrocarbons (ppm)
Meterology
Temperature
Relative Humidity
Precipitation
Barometric Pressure
