ACA

This is a data Summary dashboard for June 2026 ACA Monitorings

Monitored Data

Map

June 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
June 2026
0 0 0 0 0 10 0 0 5 7 0 0
June 2025
0 0 0 0 0 3 0 0 151 32 0 0
Parameter ACA Edmonton East
N = 7211		 ACA Edmonton Lendrum
N = 7211		 ACA Edmonton McCauley
N = 7211		 ACA Enoch
N = 7211		 ACA OMorrow
N = 7211		 ACA Poachers Landing
N = 7211		 ACA St.Albert
N = 7211		 ACA Woodcroft
N = 7211		 Ardrossan
N = 7201		 Sherwood Park
N = 7201
SO2 1.3 (94.7%) 0.4 (94.5%)

0.0 (95.1%)
0.2 (93.5%) 0.1 (95.0%) 0.4 (95.1%) 1.5 (97.4%)
NO 3.6 (94.7%) 1.0 (94.5%) 3.0 (94.9%) 0.9 (95.0%)

0.8 (92.2%) 1.2 (95.0%) 0.8 (99.3%) 5.0 (96.4%)
NO2 7.4 (94.7%) 4.5 (94.5%) 6.2 (94.9%) 3.0 (95.0%)

2.8 (92.2%) 5.1 (95.0%) 3.4 (99.3%) 4.4 (76.9%)
NOX 11.0 (94.7%) 5.5 (94.5%) 9.2 (94.9%) 3.9 (95.0%)

3.5 (92.2%) 6.3 (95.0%) 4.2 (99.3%) 6.0 (77.2%)
O3 26.3 (95.1%) 27.7 (94.5%) 27.0 (94.9%) 29.9 (95.0%)

29.8 (87.1%) 27.2 (95.0%) 27.8 (95.6%) 28.9 (99.2%)
PM2.5 6.3 (100.0%) 5.9 (100.0%) 7.7 (100.0%) 5.8 (100.0%) 5.3 (100.0%)
5.2 (100.0%) 13.0 (90.2%) 5.7 (97.6%) 5.4 (99.0%)
RH 78.3 (100.0%) 76.8 (100.0%) 70.6 (100.0%) 72.5 (100.0%) 72.0 (100.0%)
76.8 (100.0%) 69.5 (100.0%)

ET 15.0 (100.0%) 14.7 (100.0%) 14.9 (100.0%) 13.8 (100.0%) 14.6 (100.0%)
14.3 (100.0%) 14.5 (100.0%) 14.1 (100.0%) 14.4 (100.0%)
BP



944.3 (100.0%) 948.5 (100.0%)



H2S 0.3 (95.1%)






0.1 (95.1%) 0.1 (96.7%)
TRS



0.6 (95.0%) 0.5 (95.1%)



THC 2.3 (94.7%)







2.2 (88.1%)
CH4 2.1 (94.7%)








NMHC 0.2 (94.7%)








CO 0.2 (94.7%)
0.2 (94.9%)






1 Mean (% Valid data)

June 2026 ACA AQHI Summary

AQHI Category ACA Edmonton East
N = 6821		 ACA Edmonton Lendrum
N = 6811		 ACA Edmonton McCauley
N = 6841		 ACA Enoch
N = 6851		 ACA St.Albert
N = 6321		 ACA Woodcroft
N = 6351		 Ardrossan
N = 6641		 Sherwood Park
N = 5181
AQHI







    1-3 Low 648 (95%) 660 (97%) 663 (97%) 669 (98%) 615 (97%) 590 (93%) 655 (99%) 507 (98%)
    4-6 Moderate 30 (4.4%) 21 (3.1%) 19 (2.8%) 16 (2.3%) 17 (2.7%) 45 (7.1%) 7 (1.1%) 11 (2.1%)
    7-10 High 4 (0.6%)
2 (0.3%)


2 (0.3%)
    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
date SO2 NO NO2 NOX O3 PM2.5 RH ET ws wd AQHI lat lon site CO THC CH4 NMHC H2S TRS BP PR
2026-06-29 16:00:00 0.3 3.3 3.6 46 82 38 25 6.1 8.4 6 54 -114 ACA Edmonton McCauley 0.5
2026-06-29 17:00:00 0.1 2.9 3.0 46 88 36 26 5.9 353.5 6 54 -114 ACA Edmonton McCauley 0.6
2026-06-29 17:00:00 0.4 0.0 2.5 2.5 48 83 44 26 6.9 341.1 6 54 -114 ACA Edmonton Lendrum
2026-06-29 17:00:00 0.4 11.0 12.0 23.1 40 81 49 26 7.9 348.8 7 54 -113 ACA Edmonton East 0.5 2.2 2.2 0 0.1
2026-06-29 18:00:00 0.2 4.2 6.9 11.1 42 81 52 25 9.6 348.0 7 54 -113 ACA Edmonton East 0.6 2.1 2.1 0 0.1
Readings above daily AAAQO, PM2.5 > 29µg/m³
date site PM2.5
2026-06-27 ACA Woodcroft 30
2026-06-29 ACA Edmonton East 41
2026-06-29 ACA Edmonton Lendrum 41
2026-06-29 ACA Edmonton McCauley 45
2026-06-29 ACA Enoch 31
2026-06-29 ACA St.Albert 39
2026-06-30 ACA Woodcroft 38

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
date OM wind speed OM wind direction PL wind speed PL wind direction site TRS
2026-06-29 01:30:00 2.9 301 2.8 252 ACA OMorrow 10.7
2026-06-29 02:00:00 3.0 287 3.0 260 ACA OMorrow 13.0
2026-06-29 04:00:00 4.6 329 3.0 259 ACA OMorrow 19.8
2026-06-29 04:30:00 4.7 334 1.9 286 ACA OMorrow 9.6
2026-06-29 05:00:00 4.7 320 3.0 296 ACA OMorrow 6.8
2026-06-30 01:30:00 1.5 157 0.4 259 ACA OMorrow 12.2
2026-06-30 04:00:00 2.3 287 2.3 268 ACA OMorrow 7.8
2026-06-30 04:30:00 2.9 262 2.9 260 ACA OMorrow 11.4
2026-06-30 05:00:00 2.1 214 1.5 287 ACA OMorrow 11.1
2026-06-30 05:30:00 1.6 102 0.5 173 ACA OMorrow 6.6
Readings above hourly AAAQO, using Hydrogen Sulphide > 10ppb for TRS
date SO2 NO NO2 NOX O3 PM2.5 RH ET ws wd AQHI lat lon site CO THC CH4 NMHC H2S TRS BP PR
2026-06-29 02:00:00 0 9.4 89 13 3.0 294 55 -113 ACA OMorrow 12 941 0
2026-06-29 04:00:00 16.1 92 12 3.5 312 55 -113 ACA OMorrow 15 942 0
2026-06-30 05:00:00 0 12.4 96 11 2.5 277 55 -113 ACA OMorrow 11 940 0
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

Wind Roses June 2026