WCAS

This is a data dashboard for May 2026 WCAS air monitors

Monitored Data

Map

2026 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
May 2026
0 0 0 0 0 9 0 0 8 2 0 0
May 2025
0 0 0 1 0 8 0 0 2 0 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
0.1 (94.9%) 0.0 (95.0%) 0.1 (94.5%) 0.1 (92.1%) 0.1 (94.9%) 0.3 (94.9%) 0.2 (94.6%) 0.1 (90.7%) 0.1 (91.0%) 0.1 (94.8%)
NO 1.6 (94.2%) 0.2 (94.9%) 0.2 (95.0%) 0.9 (94.5%) 0.6 (94.9%) 0.2 (94.8%) 0.9 (94.9%) 0.6 (94.6%) 0.1 (94.9%) 0.6 (90.5%) 3.2 (94.8%)
NO2 4.4 (94.2%) 1.7 (94.9%) 2.0 (95.0%) 3.7 (94.5%) 2.9 (94.9%) 2.6 (94.8%) 3.5 (94.9%) 2.3 (94.6%) 1.6 (94.9%) 0.4 (90.5%) 3.9 (94.8%)
NOX 6.0 (94.2%) 1.9 (94.9%) 2.2 (95.0%) 4.6 (94.5%) 3.5 (94.9%) 2.8 (94.8%) 4.4 (94.9%) 2.9 (94.6%) 1.7 (94.9%) 1.0 (90.5%) 7.1 (94.8%)
O3 32.3 (94.1%) 37.4 (94.9%) 36.8 (95.0%) 39.7 (94.5%) 37.6 (94.1%) 38.2 (94.9%) 28.5 (94.9%) 34.5 (94.6%)
37.8 (91.0%)
PM2.5 6.8 (100.0%)

5.7 (99.9%) 4.9 (100.0%) 7.9 (99.9%) 5.4 (100.0%) 3.0 (99.7%)
2.4 (94.2%)
RH 50.7 (100.0%) 48.8 (100.0%) 50.2 (100.0%) 42.1 (100.0%) 47.4 (100.0%) 47.7 (100.0%) 54.1 (100.0%) 50.8 (100.0%) 48.9 (100.0%) 55.7 (97.6%) 50.8 (100.0%)
ET 11.1 (100.0%) 12.0 (100.0%) 11.9 (100.0%) 12.7 (100.0%) 12.1 (100.0%) 16.5 (100.0%) 10.3 (100.0%) 10.4 (100.0%) 12.9 (100.0%) 8.8 (97.6%) 13.3 (100.0%)
H2S





0.2 (94.8%)



TRS





0.3 (93.6%) 0.1 (94.6%)


CO








0.1 (91.0%)
1 Mean (% Valid data)

May 2026 WCAS AQHI Summary

AQHI Category Jasper
N = 7011		 WCAS Drayton Valley
N = 7041		 WCAS Edson
N = 7041		 WCAS Genesee
N = 7071		 WCAS Hinton-Drinnan
N = 7011		 WCAS Hinton-Hillcrest
N = 7051		 WCAS Steeper
N = 6671
AQHI






    1-3 Low 681 (97%) 676 (96%) 679 (96%) 656 (93%) 701 (100%) 705 (100%) 665 (100%)
    4-6 Moderate 14 (2.0%) 28 (4.0%) 25 (3.6%) 51 (7.2%)

2 (0.3%)
    7-10 High 4 (0.6%)





    Very High 10+ 2 (0.3%)





1 Count (% of total data)

Calendar Plots

Breton

NO2

SO2

Carrot Creek

NO2

O3

SO2

Drayton Valley

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

SO2

Edson

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

SO2

Genesee

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

SO2

Hinton-Drinnan

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

SO2

H2S

TRS

Hinton-Hillcrest

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

SO2

TRS

Meadows

NO2

SO2

Wagner

NO2

SO2

Steeper

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

SO2

CO

Jasper

AQHI

AQHI daily hour maximum

NO2

O3

PM2.5

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
date SO2 NO NO2 NOX O3 RH ET ws wd lat lon site PR PM2.5 AQHI H2S TRS CO
2026-05-03 18:00:00 0.6 7.7 8.2 51 19 19.9 5.9 334 53 -118 Jasper 122 6
2026-05-03 19:00:00 0.3 7.9 8.2 49 20 19.1 5.8 356 53 -118 Jasper 106 8
2026-05-05 00:00:00 0.2 6.1 6.3 35 44 6.8 2.3 253 53 -118 Jasper 164 6
2026-05-05 21:00:00 0.4 7.2 7.5 52 37 12.0 1.7 291 53 -118 Jasper 495 12
2026-05-07 03:00:00 0.2 4.0 4.2 30 66 4.7 1.7 347 53 -118 Jasper 194 6
2026-05-07 04:00:00 70 3.6 1.5 288 53 -118 Jasper 166
2026-05-07 05:00:00 0.8 11.8 12.6 19 71 3.0 1.2 246 53 -118 Jasper 93 9
2026-05-07 06:00:00 1.5 11.4 12.9 20 73 2.7 1.6 265 53 -118 Jasper 163 9
Readings above daily AAAQO, PM2.5 > 29µg/m³
date site SO2 NO NO2 NOX O3 ET ws wd PM10 PhotoR PR PM2.5 ET_10 ET_D H2S TRS PM2.5_PA CO
2026-05-05 Jasper 1.6 6.2 7.8 34 10 4.5 141 30
2026-05-07 Jasper 1.3 5.1 6.4 38 12 5.8 216 31

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
2026-05-02 07:00:00 0.4 280 6.1 215 WCAS Hinton-Drinnan 13.8
2026-05-02 07:30:00 1.3 290 9.9 217 WCAS Hinton-Drinnan 19.2
2026-05-02 08:00:00 2.4 289 5.2 272 WCAS Hinton-Drinnan 10.2
2026-05-02 08:30:00 2.3 286 5.5 265 WCAS Hinton-Drinnan 7.8
2026-05-02 09:00:00 3.2 268 7.5 227 WCAS Hinton-Drinnan 8.1
2026-05-02 09:30:00 2.9 283 6.8 219 WCAS Hinton-Drinnan 5.3
2026-05-02 21:30:00 3.6 213 7.5 198 WCAS Hinton-Drinnan 6.7
2026-05-03 00:00:00 1.1 218 14.6 217 WCAS Hinton-Drinnan 5.3
2026-05-09 08:00:00 2.1 288 7.2 235 WCAS Hinton-Drinnan 8.7

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

Wind Roses May 2026