ACA

This is a data Summary dashboard for September 2025 ACA Monitorings

Monitored Data

Map

September 2025 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
September 2025
0 0 0 0 0 24 0 0 174 55 0 0
September 2024
0 0 0 1 0 16 0 6 31 14 0 0
Parameter ACA Edmonton East
N = 721
1
ACA Edmonton Lendrum
N = 721
1
ACA Edmonton McCauley
N = 721
1
ACA Enoch
N = 721
1
ACA OMorrow
N = 721
1
ACA Poachers Landing
N = 721
1
ACA St.Albert
N = 721
1
ACA Woodcroft
N = 721
1
Ardrossan
N = 720
1
Sherwood Park
N = 720
1
SO2 0.8 (95.1%) 0.9 (84.9%)

0.1 (94.9%)
0.5 (94.6%) 0.3 (94.3%) 1.2 (95.0%) 0.8 (96.7%)
NO 3.5 (94.9%) 1.5 (91.0%) 2.1 (94.6%) 2.2 (83.5%)

2.9 (77.4%) 2.4 (94.3%) 1.3 (98.3%) 1.4 (96.9%)
NO2 10.0 (94.9%) 7.7 (91.0%) 9.2 (94.6%) 5.6 (83.5%)

8.4 (77.4%) 9.0 (94.3%) 3.8 (91.9%) 5.7 (95.0%)
NOX 13.5 (94.9%) 9.3 (91.0%) 11.3 (94.6%) 7.8 (83.5%)

11.2 (77.4%) 11.4 (94.3%) 5.2 (91.9%) 7.1 (95.0%)
O3 24.3 (90.8%) 27.8 (94.6%) 28.3 (94.6%) 27.4 (94.9%)

25.8 (85.3%) 25.3 (82.7%) 24.7 (93.1%) 30.0 (99.4%)
PM2.5 27.8 (100.0%) 20.0 (99.9%) 23.7 (100.0%) 18.5 (99.9%) 16.1 (99.7%)
21.4 (100.0%) 21.8 (86.5%) 10.5 (99.6%) 20.3 (99.9%)
RH 55.8 (100.0%) 59.1 (99.9%) 47.9 (100.0%) 60.1 (100.0%) 65.0 (96.3%)
58.3 (100.0%) 52.3 (100.0%)

ET 17.2 (100.0%) 16.2 (99.9%) 17.1 (100.0%) 14.9 (100.0%) 13.7 (96.3%)
16.1 (100.0%) 16.4 (100.0%) 15.4 (99.7%) 16.3 (100.0%)
BP



945.4 (96.3%) 949.9 (100.0%)



H2S 0.6 (95.3%)






0.2 (95.0%) 0.3 (97.2%)
TRS



0.7 (87.7%) 0.5 (95.1%)



THC 2.2 (95.0%) 2.0 (94.6%) 2.0 (89.6%)





2.3 (97.4%)
CH4 2.0 (95.0%) 2.0 (94.6%) 2.0 (89.6%)






NMHC 0.2 (95.0%) 0.0 (94.6%) 0.0 (89.6%)






CO 0.3 (94.9%) 0.5 (83.2%) 0.3 (94.6%)


0.3 (85.2%)


1 Mean (% Valid data)

September 2025 ACA AQHI Summary

AQHI Category ACA Edmonton East
N = 654
1
ACA Edmonton Lendrum
N = 657
1
ACA Edmonton McCauley
N = 682
1
ACA Enoch
N = 656
1
ACA St.Albert
N = 591
1
ACA Woodcroft
N = 569
1
Ardrossan
N = 688
1
Sherwood Park
N = 693
1
AQHI







    1-3 Low 401 (61%) 481 (73%) 452 (66%) 555 (85%) 441 (75%) 413 (73%) 661 (96%) 526 (76%)
    4-6 Moderate 228 (35%) 158 (24%) 212 (31%) 91 (14%) 141 (24%) 146 (26%) 7 (1.0%) 151 (22%)
    7-10 High 23 (3.5%) 18 (2.7%) 18 (2.6%) 8 (1.2%) 9 (1.5%) 10 (1.8%) 20 (2.9%) 12 (1.7%)
    Very High 10+ 2 (0.3%)

2 (0.3%)


4 (0.6%)
1 Count (% of total data)

Nitrogen Dioxide (ppb)

Readings above AAAQO

Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb
[1] "No readings above hourly AAAQO"

Monthly plots

Ozone (ppb)

Readings above AAAQO

Readings above hourly AAAQO, Ozone > 76ppb
[1] "No readings above hourly AAAQO"

Monthly plots

Particulate Matter (PM2.5)

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
2025-09-01 00:00:00 0.0 16.0 133 90 15 4.7 71.7 54 -114 ACA St.Albert 0.8
2025-09-01 00:00:00 0.0 6.9 6.8 19.8 148 89 16 4.7 67.3 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 00:00:00 5.8 0.0 10.1 10.0 19.4 136 90 16 3.9 54.9 8 54 -114 ACA Edmonton Lendrum 0.8 2.1 2.1 0.0
2025-09-01 00:00:00 0.9 1.0 6.3 7.3 19.4 161 95 17 5.6 75.6 9 54 -113 ACA Edmonton East 0.8 2.4 2.1 0.3 0.7
2025-09-01 00:00:00 0.0 10.0 10.1 14.6 103 85 15 4.0 85.1 7 54 -114 ACA Enoch
2025-09-01 00:00:00 0.0 0.0 3.0 3.0 27.0 144 16 4.0 71.0 15 54 -113 Sherwood Park 2.5 1.0
2025-09-01 01:00:00 0.0 12.8 137 94 14 3.4 78.0 54 -114 ACA St.Albert 0.9
2025-09-01 01:00:00 0.0 6.3 6.3 19.1 149 99 16 4.6 78.8 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 01:00:00 6.0 0.3 10.6 10.9 15.6 138 94 15 2.2 56.4 8 54 -114 ACA Edmonton Lendrum 1.6 2.1 2.1 0.0
2025-09-01 01:00:00 0.3 0.2 8.5 8.7 15.1 163 100 16 2.6 52.8 9 54 -113 ACA Edmonton East 0.9 2.8 2.3 0.5 1.8
2025-09-01 01:00:00 0.0 8.6 8.6 12.7 99 90 14 1.8 110.6 6 54 -114 ACA Enoch
2025-09-01 01:00:00 0.0 0.0 4.0 3.0 22.0 143 14 2.0 89.0 15 54 -113 Sherwood Park 2.5 2.0
2025-09-01 02:00:00 0.1 13.2 156 94 14 2.2 93.8 54 -114 ACA St.Albert 1.0
2025-09-01 02:00:00 0.0 7.5 7.5 15.9 153 100 15 3.4 110.5 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 02:00:00 4.8 0.2 9.2 9.4 12.9 138 99 14 0.8 72.9 8 54 -114 ACA Edmonton Lendrum 1.1 2.1 2.1 0.0
2025-09-01 02:00:00 0.1 0.1 3.7 3.7 18.2 180 100 15 3.5 116.6 10 54 -113 ACA Edmonton East 0.9 2.2 2.1 0.1 0.6
2025-09-01 02:00:00 0.0 6.3 6.4 7.8 89 95 12 1.4 81.3 6 54 -114 ACA Enoch
2025-09-01 02:00:00 0.0 20.0 144 13 3.0 98.0 15 54 -113 Sherwood Park 2.5 1.0
2025-09-01 03:00:00 0.0 11.4 162 96 13 1.9 83.8 54 -114 ACA St.Albert 1.0
2025-09-01 03:00:00 0.0 7.2 7.2 16.0 152 100 15 3.8 129.1 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 03:00:00 4.2 0.1 5.8 5.9 15.1 139 100 13 0.9 87.9 8 54 -114 ACA Edmonton Lendrum 0.9 2.1 2.1 0.0
2025-09-01 03:00:00 0.1 0.3 4.5 4.8 14.9 175 100 14 3.2 163.5 10 54 -113 ACA Edmonton East 0.9 2.4 2.1 0.3
2025-09-01 03:00:00 0.0 4.8 4.9 6.6 90 97 11 1.4 109.2 5 54 -114 ACA Enoch
2025-09-01 03:00:00 0.0 0.0 2.0 2.0 19.0 149 13 3.0 135.0 15 54 -113 Sherwood Park 2.6
2025-09-01 04:00:00 154 98 13 2.5 127.2 54 -114 ACA St.Albert
2025-09-01 04:00:00 154 100 15 6.5 150.1 54 -114 ACA Edmonton McCauley
2025-09-01 04:00:00 140 100 12 0.6 301.0 54 -114 ACA Edmonton Lendrum 0.9 2.1 2.1 0.0
2025-09-01 04:00:00 0.1 169 100 14 5.3 171.8 54 -113 ACA Edmonton East 2.4 2.1 0.3 0.9
2025-09-01 04:00:00 85 97 11 2.5 98.1 54 -114 ACA Enoch
2025-09-01 04:00:00 0.0 0.0 2.0 2.0 16.0 152 13 5.0 148.0 16 54 -113 Sherwood Park 1.0
2025-09-01 05:00:00 0.0 10.7 149 98 13 3.4 139.5 54 -114 ACA St.Albert 0.9
2025-09-01 05:00:00 0.0 4.3 4.2 18.5 154 100 14 6.0 145.4 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 05:00:00 3.8 0.0 4.1 4.0 16.3 144 100 12 0.9 242.3 8 54 -114 ACA Edmonton Lendrum
2025-09-01 05:00:00 0.4 8.8 9.1 7.4 169 100 13 4.7 182.8 9 54 -113 ACA Edmonton East 0.9 1.4
2025-09-01 05:00:00 0.0 3.3 3.3 11.8 101 98 11 1.8 153.2 5 54 -114 ACA Enoch
2025-09-01 05:00:00 0.0 1.0 1.0 16.0 168 13 6.0 148.0 17 54 -113 Sherwood Park 2.6 1.0
2025-09-01 06:00:00 0.0 9.4 148 97 13 3.7 150.3 54 -114 ACA St.Albert 1.0
2025-09-01 06:00:00 0.1 5.9 5.9 15.7 153 100 14 4.9 140.1 9 54 -114 ACA Edmonton McCauley 1.0
2025-09-01 06:00:00 3.7 0.3 5.1 5.4 13.5 140 100 11 0.5 302.6 8 54 -114 ACA Edmonton Lendrum 1.0 2.2 2.2 0.0
2025-09-01 06:00:00 0.0 0.2 5.7 5.9 9.1 170 100 12 4.2 192.2 9 54 -113 ACA Edmonton East 0.9 2.1 2.1 0.0 1.6
2025-09-01 06:00:00 0.0 3.2 3.2 13.7 98 98 11 2.7 153.5 5 54 -114 ACA Enoch
2025-09-01 06:00:00 0.0 0.0 1.0 1.0 16.0 174 12 6.0 144.0 18 54 -113 Sherwood Park 2.6 1.0
2025-09-01 07:00:00 0.0 10.6 145 97 13 3.2 117.9 54 -114 ACA St.Albert 1.0
2025-09-01 07:00:00 0.3 4.9 5.2 16.2 154 100 13 5.5 145.3 9 54 -114 ACA Edmonton McCauley 1.0
2025-09-01 07:00:00 3.9 1.1 5.8 7.0 13.2 136 100 12 1.3 91.5 8 54 -114 ACA Edmonton Lendrum 1.4 2.3 2.3 0.0
2025-09-01 07:00:00 0.0 1.0 7.6 8.5 8.6 173 100 12 3.4 182.0 9 54 -113 ACA Edmonton East 1.0 2.1 2.0 0.1 1.4
2025-09-01 07:00:00 0.1 2.2 2.3 14.9 98 97 12 2.9 121.9 6 54 -114 ACA Enoch
2025-09-01 07:00:00 0.0 0.0 2.0 2.0 15.0 179 12 4.0 154.0 18 54 -113 Sherwood Park 2.6 1.0
2025-09-01 08:00:00 95 88 14 6.4 153.9 54 -114 ACA Woodcroft
2025-09-01 08:00:00 139 92 15 5.7 128.6 54 -114 ACA St.Albert
2025-09-01 08:00:00 0.6 4.9 5.5 18.4 153 100 14 8.4 150.1 9 54 -114 ACA Edmonton McCauley 1.0
2025-09-01 08:00:00 4.3 2.1 6.1 8.2 16.4 129 94 14 1.6 92.4 8 54 -114 ACA Edmonton Lendrum 1.3 2.3 2.3 0.0
2025-09-01 08:00:00 0.1 3.9 9.4 13.3 9.8 164 100 14 6.4 182.7 9 54 -113 ACA Edmonton East 1.0 2.1 2.1 0.0 1.2
2025-09-01 08:00:00 0.4 2.8 3.2 15.5 97 91 14 3.5 123.3 6 54 -114 ACA Enoch
2025-09-01 08:00:00 0.0 0.0 3.0 3.0 14.0 174 12 3.0 152.0 18 54 -113 Sherwood Park 2.6 1.0
2025-09-01 09:00:00 0.1 1.1 5.7 6.8 22.2 92 80 16 3.7 136.0 6 54 -114 ACA Woodcroft
2025-09-01 09:00:00 0.3 1.6 5.6 7.2 23.8 129 83 17 5.0 110.4 8 54 -114 ACA St.Albert 0.9
2025-09-01 09:00:00 0.7 5.4 6.1 22.8 142 99 16 5.4 111.7 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 09:00:00 4.5 2.3 5.2 7.4 23.9 119 83 18 2.6 85.2 8 54 -114 ACA Edmonton Lendrum 1.3 2.2 2.2 0.0
2025-09-01 09:00:00 0.2 1.6 7.6 9.2 19.0 164 92 17 3.0 142.3 9 54 -113 ACA Edmonton East 0.9 2.3 2.1 0.2 0.8
2025-09-01 09:00:00 0.8 3.8 4.7 20.0 94 78 17 3.8 116.8 6 54 -114 ACA Enoch
2025-09-01 09:00:00 0.0 0.0 2.0 2.0 21.0 157 14 6.0 159.0 16 54 -113 Sherwood Park 2.6 1.0
2025-09-01 10:00:00 0.2 0.9 5.8 6.6 31.7 93 66 19 4.0 89.0 6 54 -114 ACA Woodcroft
2025-09-01 10:00:00 0.3 1.4 6.0 7.3 32.2 122 72 19 5.5 87.0 8 54 -114 ACA St.Albert 0.9
2025-09-01 10:00:00 1.0 7.2 8.2 30.5 132 75 19 4.3 81.5 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 10:00:00 4.0 0.7 4.6 5.3 34.8 101 70 21 4.1 77.9 7 54 -114 ACA Edmonton Lendrum 1.0 2.1 2.1 0.0
2025-09-01 10:00:00 0.4 2.4 10.4 12.7 24.4 141 78 20 4.2 0.6 9 54 -113 ACA Edmonton East 0.9 2.5 2.2 0.4 1.4
2025-09-01 10:00:00 0.7 4.2 4.9 30.4 83 66 19 4.3 83.7 6 54 -114 ACA Enoch
2025-09-01 10:00:00 0.0 0.0 2.0 2.0 28.0 135 17 4.0 138.0 14 54 -113 Sherwood Park 2.5 1.0
2025-09-01 11:00:00 0.6 0.9 7.2 8.1 41.8 89 56 22 5.2 88.7 7 54 -114 ACA Woodcroft
2025-09-01 11:00:00 1.6 39.4 115 64 21 6.5 62.0 8 54 -114 ACA St.Albert 0.9
2025-09-01 11:00:00 1.3 8.7 10.0 36.7 129 60 21 6.2 80.9 9 54 -114 ACA Edmonton McCauley 0.9
2025-09-01 11:00:00 3.2 0.2 4.2 4.4 46.1 87 56 23 4.5 60.9 7 54 -114 ACA Edmonton Lendrum 2.1 2.1 0.0
2025-09-01 11:00:00 2.2 2.7 12.5 15.1 27.3 146 69 22 5.0 14.2 9 54 -113 ACA Edmonton East 0.9 2.8 2.2 0.6 1.8
2025-09-01 11:00:00 0.0 0.0 2.0 2.0 35.0 115 20 3.0 135.0 12 54 -113 Sherwood Park 2.5 1.0
2025-09-01 12:00:00 2.4 0.7 7.1 7.8 46.9 93 53 23 2.2 103.4 7 54 -114 ACA Woodcroft
2025-09-01 12:00:00 3.4 0.6 6.0 6.7 43.1 121 62 22 6.9 51.3 8 54 -114 ACA St.Albert 1.0
2025-09-01 12:00:00 0.8 6.9 7.7 36.1 138 57 22 7.0 51.3 9 54 -114 ACA Edmonton McCauley 1.1
2025-09-01 12:00:00 6.4 0.4 6.7 7.0 55.1 105 57 24 6.0 24.0 7 54 -114 ACA Edmonton Lendrum 2.1 2.1 0.0
2025-09-01 12:00:00 1.8 0.8 6.9 7.6 34.2 129 59 24 4.6 49.4 9 54 -113 ACA Edmonton East 0.8 2.3 2.1 0.2 0.9
2025-09-01 12:00:00 0.0 0.0 1.0 1.0 40.0 104 23 4.0 104.0 11 54 -113 Sherwood Park 2.5 1.0
2025-09-01 13:00:00 2.8 1.0 7.8 8.9 39.3 111 56 23 9.0 51.3 8 54 -114 ACA Woodcroft
2025-09-01 13:00:00 2.1 0.5 7.0 7.5 41.6 141 65 21 11.4 44.9 9 54 -114 ACA St.Albert 1.1
2025-09-01 13:00:00 0.3 5.0 5.3 34.1 150 56 22 10.2 34.6 9 54 -114 ACA Edmonton McCauley 1.2
2025-09-01 13:00:00 9.5 0.4 5.9 6.3 47.5 125 62 23 10.7 25.4 8 54 -114 ACA Edmonton Lendrum 0.9 2.1 2.1 0.0
2025-09-01 13:00:00 4.0 2.2 9.8 11.9 24.8 171 64 23 9.9 14.7 10 54 -113 ACA Edmonton East 1.1 4.0 2.3 1.7 2.8
2025-09-01 13:00:00 0.0 0.0 1.0 1.0 44.0 101 24 4.0 104.0 11 54 -113 Sherwood Park 2.4 1.0
2025-09-01 14:00:00 0.8 0.5 5.7 6.1 38.8 118 59 21 13.5 47.5 8 54 -114 ACA Woodcroft
2025-09-01 14:00:00 5.4 0.0 6.3 6.3 160 66 21 12.6 45.5 1 54 -114 ACA St.Albert 1.3
2025-09-01 14:00:00 0.2 4.2 4.3 33.7 170 56 21 12.1 33.0 1 54 -114 ACA Edmonton McCauley 1.3
2025-09-01 14:00:00 6.2 0.1 3.5 3.7 38.7 149 65 22 14.0 29.5 9 54 -114 ACA Edmonton Lendrum 1.2 2.0 2.0 0.0
2025-09-01 14:00:00 4.0 2.1 8.4 10.5 26.1 186 65 22 14.2 24.5 10 54 -113 ACA Edmonton East 1.2 5.7 2.3 3.4 3.7
2025-09-01 14:00:00 0.9 8.9 9.8 49.5 107 55 23 12.1 27.2 6 54 -114 ACA Enoch
2025-09-01 14:00:00 0.0 0.0 1.0 1.0 39.0 101 24 4.0 99.0 11 54 -113 Sherwood Park 2.5 1.0
2025-09-01 15:00:00 0.5 0.3 4.2 4.5 33.7 121 61 20 12.9 48.6 8 54 -114 ACA Woodcroft
2025-09-01 15:00:00 3.5 0.0 4.5 4.3 159 67 20 11.6 35.4 1 54 -114 ACA St.Albert 1.3
2025-09-01 15:00:00 0.1 3.8 3.9 32.4 173 57 20 12.0 39.5 1 54 -114 ACA Edmonton McCauley 1.3
2025-09-01 15:00:00 7.1 0.1 3.7 3.8 37.2 164 67 21 14.2 30.2 1 54 -114 ACA Edmonton Lendrum 1.3 2.0 2.0 0.0
2025-09-01 15:00:00 7.1 1.1 6.5 7.6 27.7 185 67 21 11.4 27.0 11 54 -113 ACA Edmonton East 1.3 4.9 2.2 2.7 2.9
2025-09-01 15:00:00 0.7 7.9 8.7 42.5 119 61 21 13.8 24.8 7 54 -114 ACA Enoch
2025-09-01 15:00:00 1.0 0.0 0.0 0.0 32.0 87 21 9.0 56.0 9 54 -113 Ardrossan 0.0
2025-09-01 15:00:00 0.0 0.0 2.0 2.0 36.0 133 23 8.0 73.0 14 54 -113 Sherwood Park 2.5 1.0
2025-09-01 16:00:00 0.7 0.7 6.5 7.2 33.0 118 63 20 12.8 48.4 8 54 -114 ACA Woodcroft
2025-09-01 16:00:00 58.1 0.0 3.4 3.2 34.7 150 69 19 10.8 31.9 1 54 -114 ACA St.Albert
2025-09-01 16:00:00 0.3 4.7 5.0 31.1 157 60 20 10.4 45.3 1 54 -114 ACA Edmonton McCauley 1.2
2025-09-01 16:00:00 6.0 0.1 3.2 3.2 35.8 149 69 20 13.4 30.0 1 54 -114 ACA Edmonton Lendrum 1.2 2.0 2.0 0.0
2025-09-01 16:00:00 6.0 1.3 8.0 9.3 23.5 173 70 20 10.7 18.6 11 54 -113 ACA Edmonton East 1.1 4.2 2.2 2.0 2.5
2025-09-01 16:00:00 0.5 6.7 7.2 39.3 114 63 20 13.6 24.1 8 54 -114 ACA Enoch
2025-09-01 16:00:00 1.0 0.0 0.0 0.0 31.0 82 20 8.0 61.0 9 54 -113 Ardrossan 0.0
2025-09-01 16:00:00 0.0 0.0 1.0 1.0 34.0 160 21 8.0 78.0 16 54 -113 Sherwood Park 2.5 1.0
2025-09-01 17:00:00 3.6 0.5 7.1 7.5 34.0 112 65 19 10.9 41.7 8 54 -114 ACA Woodcroft
2025-09-01 17:00:00 2.9 0.0 1.7 1.2 30.6 137 71 19 9.3 24.2 9 54 -114 ACA St.Albert
2025-09-01 17:00:00 0.4 7.5 7.9 30.0 150 62 19 9.3 45.0 1 54 -114 ACA Edmonton McCauley 1.1
2025-09-01 17:00:00 6.3 0.1 4.5 4.6 34.3 138 73 19 10.9 35.1 9 54 -114 ACA Edmonton Lendrum 1.1 2.1 2.1 0.0
2025-09-01 17:00:00 2.3 2.8 11.0 13.7 20.4 159 72 20 8.7 13.6 10 54 -113 ACA Edmonton East 1.1 3.7 2.1 1.6 1.9
2025-09-01 17:00:00 0.3 5.8 6.1 35.1 111 67 19 11.6 22.5 8 54 -114 ACA Enoch
2025-09-01 17:00:00 0.0 0.0 2.0 2.0 32.0 146 20 9.0 84.0 15 54 -113 Sherwood Park 2.5 1.0
2025-09-01 18:00:00 7.3 0.2 5.5 5.7 30.6 116 67 19 8.8 32.2 8 54 -114 ACA Woodcroft
2025-09-01 18:00:00 0.6 0.0 1.5 1.1 29.5 128 72 19 8.2 18.3 9 54 -114 ACA St.Albert 1.1
2025-09-01 18:00:00 0.4 10.1 10.5 27.7 145 64 19 7.3 37.6 9 54 -114 ACA Edmonton McCauley 1.1
2025-09-01 18:00:00 6.5 0.2 8.5 8.7 31.1 135 75 19 8.4 36.2 9 54 -114 ACA Edmonton Lendrum 1.0 2.1 2.1 0.0
2025-09-01 18:00:00 1.2 1.0 7.7 8.7 22.6 154 75 19 8.5 10.1 10 54 -113 ACA Edmonton East 1.0 3.5 2.1 1.4 1.7
2025-09-01 18:00:00 30.2 102 69 18 9.3 12.7 8 54 -114 ACA Enoch
2025-09-01 18:00:00 0.0 0.0 2.0 2.0 31.0 137 19 8.0 71.0 14 54 -113 Sherwood Park 2.5 1.0
2025-09-01 19:00:00 2.6 0.2 4.1 4.3 27.9 105 67 18 7.6 29.2 7 54 -114 ACA Woodcroft
2025-09-01 19:00:00 0.3 0.0 2.2 1.9 27.0 123 74 18 5.3 20.4 8 54 -114 ACA St.Albert 1.1
2025-09-01 19:00:00 0.1 6.4 6.4 27.5 139 65 19 5.3 20.6 9 54 -114 ACA Edmonton McCauley 1.1
2025-09-01 19:00:00 10.6 0.1 8.1 8.1 31.1 132 76 19 7.8 30.4 9 54 -114 ACA Edmonton Lendrum 1.0 2.1 2.1 0.0
2025-09-01 19:00:00 1.3 1.8 12.1 13.9 19.4 152 78 19 7.5 3.7 9 54 -113 ACA Edmonton East 1.0 2.8 2.2 0.6 1.8
2025-09-01 19:00:00 28.2 96 70 18 7.9 19.2 7 54 -114 ACA Enoch
2025-09-01 19:00:00 0.0 0.0 2.0 2.0 30.0 134 18 7.0 76.0 14 54 -113 Sherwood Park 2.5 0.0
2025-09-01 20:00:00 0.8 0.2 4.4 4.6 24.2 93 67 18 10.4 39.7 7 54 -114 ACA Woodcroft
2025-09-01 20:00:00 0.0 0.0 1.7 1.4 23.0 86 75 17 9.9 30.6 7 54 -114 ACA St.Albert 0.8
2025-09-01 20:00:00 0.0 4.5 4.5 22.9 100 64 18 7.7 26.4 8 54 -114 ACA Edmonton McCauley 0.8
2025-09-01 20:00:00 0.0 4.7 4.6 27.6 103 74 18 9.7 30.0 8 54 -114 ACA Edmonton Lendrum 0.8 2.0 2.0 0.0
2025-09-01 20:00:00 1.9 2.5 11.9 14.4 15.0 99 73 18 11.4 19.4 8 54 -113 ACA Edmonton East 0.7 4.4 2.3 2.2 3.1
2025-09-01 20:00:00 23.9 95 74 17 7.0 13.8 54 -114 ACA Enoch
2025-09-01 20:00:00 0.0 0.0 3.0 3.0 28.0 131 18 6.0 86.0 14 54 -113 Sherwood Park 2.6 0.0
2025-09-01 21:00:00 0.0 0.0 3.0 3.0 23.0 84 17 9.0 80.0 9 54 -113 Sherwood Park 2.5 0.0
2025-09-03 12:00:00 0.2 1.6 7.9 9.5 27.4 91 58 21 8.2 221.4 5 54 -114 ACA Woodcroft
2025-09-03 23:00:00 0.1 1.0 4.7 5.7 27.3 98 58 20 18.2 5.9 5 54 -113 ACA Edmonton East 0.6 2.5 2.0 0.5 0.4
2025-09-04 00:00:00 0.1 0.0 1.5 1.6 29.6 84 56 18 18.8 4.6 6 54 -113 ACA Edmonton East 0.5 2.5 2.0 0.5 0.3
2025-09-10 03:00:00 0.0 0.0 4.6 4.6 26.4 82 69 18 8.4 328.4 6 54 -114 ACA Woodcroft
2025-09-14 14:00:00 2.2 0.9 4.2 5.1 34.9 86 57 22 8.1 92.0 6 54 -114 ACA Woodcroft
2025-09-15 05:00:00 0.9 7.7 8.5 15.3 133 89 13 3.7 276.7 4 54 -114 ACA Enoch
2025-09-15 06:00:00 2.2 6.9 9.1 15.1 291 89 14 6.3 260.1 9 54 -114 ACA Enoch
2025-09-15 07:00:00 6.1 9.5 15.6 13.1 223 89 13 4.8 283.0 11 54 -114 ACA Enoch
2025-09-15 08:00:00 6.0 8.3 14.2 17.5 143 82 15 9.3 297.2 11 54 -114 ACA Enoch
2025-09-15 09:00:00 20.7 116 69 17 11.0 304.4 9 54 -114 ACA Enoch
2025-09-30 18:00:00 0.1 2.3 11.4 13.7 13.2 82 89 14 5.4 347.3 5 54 -113 ACA Edmonton East 0.5 2.1 2.0 0.1 0.6
2025-09-30 19:00:00 0.3 9.6 9.9 17.1 85 100 13 6.3 28.9 5 54 -114 ACA Edmonton McCauley 0.6 2.0 2.0 0.0
2025-09-30 19:00:00 0.1 2.2 14.1 16.3 8.6 101 100 13 8.6 24.4 6 54 -113 ACA Edmonton East 0.6 3.8 2.1 1.8 1.4
2025-09-30 20:00:00 0.1 19.8 85 88 12 8.4 21.4 54 -114 ACA St.Albert 0.6
2025-09-30 20:00:00 0.3 7.4 7.8 17.9 98 100 13 6.0 21.0 6 54 -114 ACA Edmonton McCauley 0.7 2.1 2.1 0.0
2025-09-30 20:00:00 1.8 0.0 6.2 6.2 18.5 90 90 13 8.3 29.7 5 54 -114 ACA Edmonton Lendrum 0.6 2.0 2.0 0.0
2025-09-30 20:00:00 0.1 4.6 14.1 18.7 7.0 114 100 13 11.1 17.2 6 54 -113 ACA Edmonton East 0.6 3.5 2.0 1.4 1.3
2025-09-30 21:00:00 0.1 19.3 94 88 12 6.0 340.9 54 -114 ACA St.Albert 0.7
2025-09-30 21:00:00 0.3 6.2 6.5 19.4 113 99 13 3.7 354.6 6 54 -114 ACA Edmonton McCauley 0.7 2.1 2.1 0.0
2025-09-30 21:00:00 0.6 0.0 6.3 6.3 18.2 99 88 13 4.3 334.0 6 54 -114 ACA Edmonton Lendrum 0.7 2.1 2.1 0.0
2025-09-30 21:00:00 0.1 1.5 8.6 10.1 9.4 124 100 12 6.3 354.5 7 54 -113 ACA Edmonton East 0.7 2.4 2.2 0.2 1.0
2025-09-30 21:00:00 0.0 0.0 5.0 5.0 15.0 94 12 7.0 75.0 10 54 -113 Sherwood Park 2.3 1.0
2025-09-30 22:00:00 0.0 14.9 91 90 12 5.1 283.7 54 -114 ACA St.Albert 0.7
2025-09-30 22:00:00 0.7 10.4 11.1 14.4 114 100 12 4.6 289.3 7 54 -114 ACA Edmonton McCauley 0.7 2.1 2.1 0.0
2025-09-30 22:00:00 0.6 0.0 8.8 8.8 13.8 102 93 12 5.0 280.7 6 54 -114 ACA Edmonton Lendrum 0.7 2.1 2.1 0.0
2025-09-30 22:00:00 0.1 0.9 6.4 7.3 9.7 127 100 12 6.4 308.0 7 54 -113 ACA Edmonton East 0.7 2.2 2.2 0.0 1.4
2025-09-30 22:00:00 0.0 0.0 8.0 8.0 10.0 106 12 4.0 175.0 11 54 -113 Sherwood Park 2.4 1.0
2025-09-30 23:00:00 0.0 14.7 86 92 11 7.0 296.1 54 -114 ACA St.Albert 0.6
2025-09-30 23:00:00 0.8 10.9 11.8 11.7 101 100 12 4.9 285.8 7 54 -114 ACA Edmonton McCauley 0.7 2.3 2.3 0.0
2025-09-30 23:00:00 0.5 0.1 9.3 9.3 11.2 93 96 11 6.0 281.6 6 54 -114 ACA Edmonton Lendrum 0.6 2.1 2.1 0.0
2025-09-30 23:00:00 0.1 4.2 9.9 14.1 6.9 122 100 12 6.0 290.9 7 54 -113 ACA Edmonton East 0.7 2.1 2.1 0.0 1.2
2025-09-30 23:00:00 0.0 1.0 11.0 12.0 6.0 110 11 3.0 265.0 12 54 -113 Sherwood Park 2.5 1.0
2025-09-30 23:59:00 0.5 8.3 8.8 11.7 96 100 11 5.7 287.1 6 54 -114 ACA Edmonton McCauley 0.7 2.1 2.1 0.0
2025-09-30 23:59:00 0.5 0.0 5.7 5.6 14.3 90 98 10 6.3 292.7 6 54 -114 ACA Edmonton Lendrum 0.6 2.1 2.1 0.0
2025-09-30 23:59:00 0.2 3.2 10.4 13.6 6.6 114 100 11 5.7 289.5 7 54 -113 ACA Edmonton East 0.6 2.1 2.1 0.0 1.2
Readings above daily AAAQO, PM2.5 > 29µg/m³
site date SO2 NO NO2 NOX O3 PM2.5 RH ET ws wd AQHI lat lon CO THC CH4 NMHC H2S TRS BP PR
ACA Edmonton East 2025-09-01 1.9 1.5 8.6 10.1 18.4 146 84 17 6.6 35 8.9 54 -113 0.9 3.1 2.1 0.9 1.6
ACA Edmonton East 2025-09-02 0.2 4.8 8.0 12.8 20.7 49 70 16 5.0 117 4.0 54 -113 0.4 2.3 2.1 0.2 1.0
ACA Edmonton East 2025-09-03 0.9 2.6 9.0 11.6 24.5 51 54 20 14.0 253 4.4 54 -113 0.4 2.1 2.0 0.1 0.6
ACA Edmonton East 2025-09-04 0.1 1.0 5.1 6.1 25.6 38 55 15 11.1 349 3.8 54 -113 0.4 2.1 2.0 0.1 0.4
ACA Edmonton East 2025-09-07 1.1 1.9 16.4 18.2 20.8 40 59 18 4.4 234 4.4 54 -113 0.4 2.4 2.1 0.3 1.1
ACA Edmonton East 2025-09-08 0.6 14.1 16.0 30.1 22.6 46 65 20 4.8 160 4.8 54 -113 0.4 2.7 2.3 0.5 1.4
ACA Edmonton East 2025-09-09 0.4 3.0 13.6 16.5 26.8 51 56 21 8.3 191 4.9 54 -113 0.4 2.1 1.9 0.1 0.6
ACA Edmonton East 2025-09-10 0.5 3.2 14.7 17.9 18.8 40 61 20 5.4 303 4.2 54 -113 0.3 2.3 2.0 0.3 0.9
ACA Edmonton East 2025-09-11 1.1 15.7 16.6 32.3 20.1 34 54 20 4.5 159 4.1 54 -113 0.4 2.3 2.0 0.3 1.2
ACA Edmonton East 2025-09-30 0.4 4.0 11.6 15.5 9.2 51 80 13 6.7 314 3.8 54 -113 0.4 2.3 2.1 0.2 0.7
ACA Edmonton Lendrum 2025-09-01 5.8 0.4 6.0 6.4 26.9 119 81 17 5.8 38 7.0 54 -114 1.0 2.1 2.1 0.0
ACA Edmonton Lendrum 2025-09-02 1.8 1.3 6.2 7.5 26.2 40 67 16 3.1 89 3.8 54 -114 0.9 2.1 2.1 0.0
ACA Edmonton Lendrum 2025-09-03 1.7 1.1 5.1 6.2 30.2 40 55 19 7.6 307 3.9 54 -114 0.6 1.9 1.9 0.0
ACA Edmonton Lendrum 2025-09-04 0.8 0.3 4.4 4.7 29.6 31 54 15 9.3 342 3.6 54 -114 0.4 1.9 1.9 0.0
ACA Edmonton Lendrum 2025-09-07 0.8 1.9 13.3 15.2 20.1 30 72 17 1.9 284 3.6 54 -114 0.5 2.2 2.2 0.0
ACA Edmonton Lendrum 2025-09-09 1.2 1.1 9.8 10.9 28.0 35 66 19 2.7 249 4.0 54 -114 0.4 2.0 2.0 0.0
ACA Edmonton Lendrum 2025-09-30 0.5 4.4 9.4 13.8 12.3 37 81 12 5.4 301 3.1 54 -114 0.4 2.1 2.1 0.0
ACA Edmonton McCauley 2025-09-01 0.3 5.8 6.1 24.4 134 78 17 6.8 68 7.0 54 -114 0.9
ACA Edmonton McCauley 2025-09-02 2.4 6.9 9.3 24.1 44 65 16 5.0 118 3.9 54 -114 0.4
ACA Edmonton McCauley 2025-09-03 2.8 7.6 10.4 27.2 45 44 20 8.1 251 4.1 54 -114 0.4 2.1 2.1 0.0
ACA Edmonton McCauley 2025-09-04 1.2 5.3 6.5 26.9 36 46 15 7.0 351 3.7 54 -114 0.4 2.1 2.1 0.0
ACA Edmonton McCauley 2025-09-07 4.0 18.3 22.2 17.9 34 55 18 2.5 245 4.1 54 -114 0.6 2.3 2.3 0.0
ACA Edmonton McCauley 2025-09-08 7.5 14.8 22.2 25.5 33 60 20 3.7 151 3.9 54 -114 0.5 2.2 2.2 0.0
ACA Edmonton McCauley 2025-09-09 1.3 11.1 12.4 30.2 39 47 21 5.9 183 4.3 54 -114 0.4 2.1 2.1 0.0
ACA Edmonton McCauley 2025-09-10 4.0 16.3 20.3 18.9 30 48 20 4.1 294 3.8 54 -114 0.4 2.1 2.1 0.0
ACA Edmonton McCauley 2025-09-30 4.1 11.9 16.1 12.1 43 71 13 4.9 305 3.6 54 -114 0.4 2.1 2.1 0.0
ACA Enoch 2025-09-01 0.3 5.2 5.5 25.5 86 76 16 5.6 45 6.0 54 -114
ACA Enoch 2025-09-02 0.9 4.4 5.3 22.7 34 70 15 3.4 108 3.1 54 -114
ACA Enoch 2025-09-03 1.9 4.6 6.5 26.3 37 57 18 9.8 284 3.5 54 -114
ACA Enoch 2025-09-09 37 66 18 4.3 192 54 -114
ACA Enoch 2025-09-15 2.0 8.4 10.4 22.9 60 63 17 7.2 306 4.7 54 -114
ACA OMorrow 2025-09-01 0.0 42 55 -113 1.1 0.0
ACA OMorrow 2025-09-02 0.1 44 74 14 5.4 109 55 -113 2.0 957 0.0
ACA OMorrow 2025-09-03 0.1 39 64 16 10.3 315 55 -113 0.6 947 0.0
ACA OMorrow 2025-09-30 0.1 37 68 13 8.2 341 55 -113 937 0.1
ACA St.Albert 2025-09-01 3.6 23.1 126 82 17 6.2 54 54 -114 0.9
ACA St.Albert 2025-09-02 0.4 3.1 7.9 11.0 22.6 42 69 16 4.6 122 3.7 54 -114 0.5
ACA St.Albert 2025-09-03 0.4 3.5 7.2 10.7 25.5 44 54 19 12.7 289 4.1 54 -114 0.4
ACA St.Albert 2025-09-04 0.1 0.2 2.9 3.0 25.6 34 56 14 12.0 347 3.4 54 -114 0.4
ACA St.Albert 2025-09-09 0.1 7.5 13.5 20.9 27.5 36 60 20 6.2 192 4.3 54 -114 0.4
ACA St.Albert 2025-09-30 0.1 14.6 36 79 11 7.6 314 54 -114 0.4
ACA Woodcroft 2025-09-01 1.1 0.5 5.9 6.4 85 73 17 6.6 67 54 -114
ACA Woodcroft 2025-09-03 0.2 1.9 6.6 8.4 26.2 30 50 19 11.9 270 3.4 54 -114
ACA Woodcroft 2025-09-07 0.2 3.0 16.5 19.5 41 61 18 1.8 271 54 -114
ACA Woodcroft 2025-09-08 0.2 4.1 11.2 15.3 22.1 46 60 20 2.9 154 4.5 54 -114
ACA Woodcroft 2025-09-09 0.1 1.5 10.2 11.7 28.3 43 55 20 6.2 196 4.3 54 -114
ACA Woodcroft 2025-09-14 1.1 0.7 7.3 8.0 29.9 54 63 19 5.6 106 4.6 54 -114
Ardrossan 2025-09-01 1.0 0.3 0.7 0.9 20.5 64 16 4.6 76 6.8 54 -113 0.3
Sherwood Park 2025-09-01 0.0 0.0 2.0 1.9 26.1 131 17 5.2 101 13.7 54 -113 2.5 0.8
Sherwood Park 2025-09-02 0.0 0.4 3.0 3.4 24.5 42 15 4.0 125 3.5 54 -113 2.4 0.4
Sherwood Park 2025-09-03 0.6 0.8 4.5 5.3 30.6 41 19 10.8 217 4.1 54 -113 2.3 0.2
Sherwood Park 2025-09-04 0.5 0.5 3.8 4.2 28.0 35 15 11.4 244 4.0 54 -113 2.4 0.1
Sherwood Park 2025-09-09 0.0 0.2 5.2 5.2 37.1 34 20 6.8 166 3.9 54 -113 2.3 0.1
Sherwood Park 2025-09-10 2.4 3.0 11.6 14.7 23.3 30 19 4.4 252 3.7 54 -113 2.4 0.4
Sherwood Park 2025-09-30 0.8 3.5 10.0 13.7 12.0 34 13 5.4 284 3.8 54 -113 2.4 1.0

Monthly plots

Sulphur Dioxide (ppb)

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"

Monthly plots

Hydrogen Sulphide (ppb)

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"

Monthly plots

Total Reduced Sulphur (ppb)

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
2025-09-01 22:00:00 3.8 336 0.2 100 ACA OMorrow 10.9
2025-09-01 22:30:00 2.9 276 0.3 206 ACA OMorrow 9.2
2025-09-01 23:00:00 1.4 324 0.4 274 ACA OMorrow 13.2
2025-09-01 23:30:00 2.1 261 0.6 238 ACA OMorrow 15.3
2025-09-02 00:00:00 2.0 249 0.0 271 ACA OMorrow 13.1
2025-09-02 00:30:00 2.4 248 0.7 260 ACA OMorrow 10.1
2025-09-02 01:00:00 4.8 163 1.2 264 ACA OMorrow 13.1
2025-09-02 01:30:00 2.1 265 0.1 228 ACA OMorrow 11.5
2025-09-02 02:00:00 0.5 208 0.4 99 ACA OMorrow 11.5
2025-09-04 04:00:00 17.2 339 15.5 334 ACA OMorrow 8.2
2025-09-04 04:30:00 18.7 340 15.2 331 ACA OMorrow 6.5
2025-09-04 05:00:00 16.2 346 9.8 334 ACA OMorrow 5.7
2025-09-04 05:30:00 17.1 346 9.3 324 ACA OMorrow 7.1
2025-09-04 06:00:00 18.0 340 12.4 327 ACA OMorrow 5.0
2025-09-07 14:00:00 2.3 238 3.6 280 ACA OMorrow 7.6
2025-09-07 14:30:00 4.9 326 5.2 321 ACA OMorrow 12.6
2025-09-07 15:00:00 4.8 286 3.4 284 ACA OMorrow 7.5
2025-09-10 20:30:00 2.6 228 0.5 206 ACA OMorrow 5.1
2025-09-10 21:00:00 2.6 252 1.5 230 ACA OMorrow 5.5
2025-09-10 21:30:00 2.1 157 0.7 180 ACA OMorrow 6.2
2025-09-10 22:00:00 3.1 278 1.7 267 ACA OMorrow 6.0
2025-09-11 08:00:00 1.4 169 0.0 264 ACA OMorrow 5.2
2025-09-11 08:30:00 1.9 137 1.0 168 ACA OMorrow 7.6
2025-09-15 06:30:00 2.9 185 1.4 190 ACA Poachers Landing 5.4
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
2025-09-01 23:00:00 0.0 34 95 10.8 2.2 339 55 -113 ACA OMorrow 11 958 0
2025-09-02 00:00:00 0.0 31 95 10.3 2.0 246 55 -113 ACA OMorrow 14 958 0
2025-09-02 01:00:00 0.0 32 96 10.5 3.6 333 55 -113 ACA OMorrow 12 958 0
2025-09-02 02:00:00 0.0 35 95 9.7 1.3 245 55 -113 ACA OMorrow 12 958 0
2025-09-07 15:00:00 0.2 26 66 19.3 4.9 336 55 -113 ACA OMorrow 10 944 0
Readings above daily AAAQO, Hydrogen Sulphide > 3ppb for TRS
[1] "No readings above daily AAAQO"

Monthly plots

Carbon Monoxide (ppm)

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"

Monthly plots

Total Hydrocarbons (ppm)

Meterology

Temperature

Relative Humidity

Precipitation

Barometric Pressure

Wind Roses September 2025