WCAS

This is a data dashboard for July 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
July 2026
0 0 0 0 0 9 0 0 56 29 0 0
July 2025
0 0 0 0 0 25 0 0 0 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
0.3 (94.2%) 0.0 (94.9%) 0.0 (94.4%) 0.1 (95.0%) 0.1 (95.0%) 0.3 (94.8%) 0.1 (94.9%) 0.1 (94.1%) 0.1 (94.5%) 0.1 (83.8%)
NO 2.0 (95.0%) 0.2 (94.2%) 0.3 (94.9%) 0.6 (94.5%) 1.0 (95.0%) 0.1 (95.0%) 1.2 (94.8%) 0.7 (94.9%) 0.2 (94.1%) 0.3 (88.7%) 0.1 (83.8%)
NO2 4.1 (95.0%) 1.4 (94.2%) 1.8 (94.9%) 2.8 (94.5%) 2.5 (95.0%) 1.5 (95.0%) 2.6 (94.8%) 2.2 (94.9%) 1.5 (94.1%) 0.5 (88.7%) 1.4 (83.8%)
NOX 6.1 (95.0%) 1.6 (94.2%) 2.2 (94.9%) 3.5 (94.5%) 3.5 (95.0%) 1.6 (95.0%) 3.8 (94.8%) 2.9 (94.9%) 1.7 (94.1%) 0.8 (88.7%) 1.4 (83.8%)
O3 26.0 (95.0%) 28.0 (94.2%) 24.1 (94.9%) 31.4 (94.5%) 25.1 (95.0%) 29.0 (95.0%) 21.7 (94.8%) 28.3 (94.9%)
29.4 (94.5%)
PM2.5 17.2 (99.9%)

11.7 (99.9%) 12.5 (99.7%) 15.2 (99.9%) 14.3 (99.9%) 13.2 (99.9%)
14.9 (85.8%)
RH 52.2 (100.0%) 69.4 (99.2%) 72.2 (100.0%) 61.2 (100.0%) 69.7 (100.0%) 76.1 (100.0%) 58.7 (100.0%) 55.1 (100.0%) 68.4 (100.0%) 62.0 (100.0%) 75.0 (88.2%)
ET 16.9 (100.0%) 17.8 (99.2%) 16.9 (100.0%) 18.2 (100.0%) 17.3 (100.0%) 21.3 (100.0%) 16.3 (100.0%) 16.4 (100.0%) 18.8 (100.0%) 14.4 (100.0%) 18.5 (88.2%)
H2S





0.4 (94.8%)



TRS





0.5 (94.8%) 0.2 (94.9%)


CO








0.2 (95.0%)
1 Mean (% Valid data)

July 2026 WCAS AQHI Summary

AQHI Category Jasper
N = 7041		 WCAS Drayton Valley
N = 7041		 WCAS Edson
N = 7081		 WCAS Genesee
N = 7081		 WCAS Hinton-Drinnan
N = 6961		 WCAS Hinton-Hillcrest
N = 7071		 WCAS Steeper
N = 5861
AQHI






    1-3 Low 611 (87%) 657 (93%) 652 (92%) 645 (91%) 650 (93%) 647 (92%) 552 (94%)
    4-6 Moderate 84 (12%) 47 (6.7%) 56 (7.9%) 56 (7.9%) 46 (6.6%) 60 (8.5%) 34 (5.8%)
    7-10 High 6 (0.9%)

7 (1.0%)


    Very High 10+ 3 (0.4%)





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
2026-07-20 11:00:00 0.0 0.0 1.0 1.1 17 99 15 5.9 334 54 -116 WCAS Edson 84 4
2026-07-20 12:00:00 0.0 0.1 1.3 1.4 17 99 15 3.3 294 54 -116 WCAS Edson 100 5
2026-07-20 13:00:00 0.0 0.1 1.3 1.4 16 97 16 3.4 286 54 -116 WCAS Edson 112 6
2026-07-20 13:00:00 0.0 0.0 0.9 1.0 27 89 21 18.0 259 53 -114 WCAS Genesee 0 80 4
2026-07-20 14:00:00 0.0 1.0 2.4 3.4 26 71 18 10.5 320 53 -115 WCAS Drayton Valley 85 5
2026-07-20 14:00:00 0.0 0.1 1.2 1.4 16 93 16 4.5 298 54 -116 WCAS Edson 114 6
2026-07-20 14:00:00 0.0 0.0 1.1 1.1 27 85 21 14.5 262 53 -114 WCAS Genesee 0 113 5
2026-07-20 14:00:00 0.1 0.3 1.5 1.8 25 83 15 8.4 206 53 -118 WCAS Hinton-Hillcrest 0 86 5 0.2
2026-07-20 15:00:00 0.0 1.7 2.7 4.4 27 65 20 12.2 330 53 -115 WCAS Drayton Valley 98 6
2026-07-20 15:00:00 0.0 0.2 1.6 1.8 19 88 17 4.1 302 54 -116 WCAS Edson 101 6
2026-07-20 15:00:00 0.0 0.0 1.2 1.2 33 76 23 13.1 266 53 -114 WCAS Genesee 0 128 7
2026-07-20 15:00:00 0.3 0.5 1.6 2.2 21 76 16 5.4 210 53 -118 WCAS Hinton-Drinnan 0 84 5 0.4 0.8
2026-07-20 15:00:00 0.0 0.2 1.4 1.6 25 79 16 7.7 210 53 -118 WCAS Hinton-Hillcrest 0 90 5 0.2
2026-07-20 16:00:00 0.0 1.5 2.6 4.2 29 62 20 12.0 326 53 -115 WCAS Drayton Valley 91 6
2026-07-20 16:00:00 0.0 0.1 1.3 1.4 22 79 17 5.4 295 54 -116 WCAS Edson 103 6
2026-07-20 16:00:00 0.0 0.0 1.2 1.2 33 74 25 12.8 320 53 -114 WCAS Genesee 0 116 7
2026-07-20 16:00:00 0.2 0.3 1.2 1.5 21 73 17 4.2 215 53 -118 WCAS Hinton-Drinnan 0 83 5 0.2 0.4
2026-07-20 16:00:00 0.0 0.2 1.3 1.5 24 76 16 7.2 203 53 -118 WCAS Hinton-Hillcrest 0 90 6 0.2
2026-07-20 17:00:00 0.0 1.3 2.7 4.0 29 62 20 11.9 321 53 -115 WCAS Drayton Valley 94 6
2026-07-20 17:00:00 0.0 0.0 1.0 1.0 22 72 17 4.9 339 54 -116 WCAS Edson 99 6
2026-07-20 17:00:00 0.0 0.0 1.1 1.1 30 75 25 14.1 296 53 -114 WCAS Genesee 0 106 7
2026-07-20 17:00:00 1.0 3.8 4.8 31 64 18 9.9 54 53 -118 Jasper 83 5
2026-07-20 18:00:00 0.0 0.6 1.8 2.4 30 63 19 12.3 312 53 -115 WCAS Drayton Valley 93 6
2026-07-20 18:00:00 0.0 0.0 1.0 0.9 20 76 17 2.5 347 54 -116 WCAS Edson 93 6
2026-07-20 18:00:00 0.0 0.0 1.1 1.1 27 78 25 14.2 297 53 -114 WCAS Genesee 0 115 7
2026-07-20 18:00:00 0.7 4.0 4.7 33 59 18 8.4 58 53 -118 Jasper 85 6
2026-07-20 19:00:00 0.0 0.0 1.1 1.1 17 83 17 3.1 30 54 -116 WCAS Edson 91 6
2026-07-20 19:00:00 0.0 0.0 1.2 1.2 24 85 23 9.7 321 53 -114 WCAS Genesee 0 130 7
2026-07-20 19:00:00 0.4 3.5 4.0 33 58 18 9.6 55 53 -118 Jasper 82 6
2026-07-20 20:00:00 0.0 0.0 1.5 1.4 20 93 21 6.8 283 53 -114 WCAS Genesee 0 133 7
2026-07-20 21:00:00 0.0 0.0 1.2 1.2 19 93 21 10.0 269 53 -114 WCAS Genesee 0 117 7
2026-07-20 22:00:00 0.0 0.0 1.2 1.2 17 95 20 10.8 260 53 -114 WCAS Genesee 0 88 6
2026-07-21 10:00:00 0.0 0.2 2.0 2.1 22 97 23 5.7 110 53 -114 WCAS Genesee 0 83 5
2026-07-21 11:00:00 0.0 0.1 1.9 2.0 26 90 23 3.7 113 53 -114 WCAS Genesee 0 82 5
2026-07-24 12:00:00 0.1 36 36 22 11.8 227 53 -117 WCAS Steeper 92 0.6
2026-07-24 13:00:00 0.0 37 31 24 12.2 225 53 -117 WCAS Steeper 80 0.6
2026-07-25 00:00:00 0.0 6.8 6.9 43 43 20 7.7 140 53 -118 Jasper 213 7
2026-07-25 01:00:00 0.2 5.2 5.4 44 44 20 7.0 206 53 -118 Jasper 110 8
2026-07-25 02:00:00 0.0 0.6 3.9 4.6 40 45 17 7.8 203 53 -117 WCAS Steeper 117 5 0.8
2026-07-25 02:00:00 3.9 12.7 16.6 23 50 18 4.7 215 53 -118 Jasper 90 9
2026-07-25 03:00:00 2.3 18.0 20.3 12 54 17 4.7 222 53 -118 Jasper 83 7
2026-07-25 05:00:00 0.3 10.1 10.4 16 60 15 7.1 233 53 -118 Jasper 82 6
2026-07-31 13:00:00 0.2 5.0 5.3 52 19 25 7.2 219 53 -118 Jasper 116 6
2026-07-31 14:00:00 0.3 6.4 6.7 51 19 26 6.5 206 53 -118 Jasper 124 8
2026-07-31 15:00:00 0.7 0.1 2.3 2.5 52 24 26 2.7 55 53 -118 WCAS Hinton-Drinnan 0 80 6 0.0 0.1
2026-07-31 15:00:00 0.4 0.2 3.2 3.4 54 24 25 5.1 213 53 -118 WCAS Hinton-Hillcrest 0 93 6 0.1
2026-07-31 15:00:00 0.1 7.2 7.3 56 18 26 5.3 225 53 -118 Jasper 204 1
2026-07-31 16:00:00 0.4 10.1 10.5 57 18 27 4.0 196 53 -118 Jasper 242 13
2026-07-31 17:00:00 0.1 8.7 8.8 58 19 27 5.2 231 53 -118 Jasper 236 15
2026-07-31 18:00:00 0.1 5.9 6.0 52 21 27 4.8 261 53 -118 Jasper 177 14
2026-07-31 19:00:00 0.1 6.8 6.9 48 24 26 4.2 219 53 -118 Jasper 155 13
2026-07-31 20:00:00 0.0 6.4 6.4 47 29 24 3.6 280 53 -118 Jasper 184 11
2026-07-31 21:00:00 0.1 8.1 8.2 37 39 21 2.1 268 53 -118 Jasper 167 11
2026-07-31 22:00:00 0.2 9.7 9.9 28 44 19 4.6 227 53 -118 Jasper 139 11
2026-07-31 23:00:00 0.1 8.6 8.7 26 47 18 5.3 243 53 -118 Jasper 114 9
2026-07-31 23:59:00 0.5 12.5 13.0 21 49 16 4.0 254 53 -118 Jasper 108 3
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
2026-07-20 Jasper 3.7 4.5 8.2 14 14 4.2 37 34
2026-07-20 WCAS Drayton Valley 0.0 1.1 2.9 3.9 23 16 9.1 316 48
2026-07-20 WCAS Edson 0.0 0.1 1.4 1.4 16 15 4.1 319 60
2026-07-20 WCAS Genesee 0.0 0.0 1.3 1.3 22 20 12.4 260 0.2 63 20 -0.4
2026-07-20 WCAS Hinton-Drinnan 0.2 0.4 2.1 2.5 16 14 3.6 214 0.0 55 0.2 0.5 69
2026-07-20 WCAS Hinton-Hillcrest 0.0 0.2 1.9 2.1 22 14 6.6 213 0.2 56 0.2
2026-07-20 WCAS Steeper 0.0 0.1 0.8 0.7 23 11 3.8 249 38 0.5
2026-07-21 Jasper 8.2 3.5 11.7 18 17 2.6 175 34
2026-07-21 WCAS Drayton Valley 0.0 0.8 3.4 4.2 27 18 2.9 43 49
2026-07-21 WCAS Edson 0.0 2.2 3.6 5.8 20 16 3.7 65 50
2026-07-21 WCAS Genesee 0.0 0.0 1.6 1.7 26 22 4.8 118 0.0 63 21 -1.3
2026-07-21 WCAS Hinton-Drinnan 0.3 0.8 1.3 2.1 15 17 2.2 46 0.0 42 0.2 0.4 55
2026-07-21 WCAS Hinton-Hillcrest 0.1 0.5 1.4 1.9 19 16 5.8 96 0.0 42 0.2
2026-07-21 WCAS Steeper 0.1 0.2 0.5 0.6 19 14 3.2 188 50 0.5
2026-07-22 WCAS Edson 0.0 1.4 2.7 4.1 21 21 4.4 252 31
2026-07-23 Jasper 3.6 7.1 10.6 25 20 4.6 226 43
2026-07-23 WCAS Hinton-Hillcrest 0.3 0.3 2.4 2.7 31 20 6.8 79 0.0 31 0.1
2026-07-23 WCAS Steeper 0.2 30 18 5.8 200 40 0.2
2026-07-24 Jasper 2.7 6.4 9.1 29 21 8.2 222 53
2026-07-24 WCAS Drayton Valley 0.0 1.2 4.7 5.9 27 22 6.3 216 38
2026-07-24 WCAS Genesee 0.1 0.1 1.8 1.9 28 24 7.9 241 0.0 44 24 0.1
2026-07-24 WCAS Hinton-Hillcrest 0.1 0.4 2.5 2.9 31 20 12.3 217 0.0 30 0.2
2026-07-24 WCAS Steeper 0.1 34 18 7.8 218 46 0.4
2026-07-25 Jasper 0.7 4.2 4.9 32 20 7.7 208 31
2026-07-25 WCAS Steeper 0.1 0.8 1.5 2.3 27 16 4.5 191 34 0.3
2026-07-30 Jasper 3.5 5.4 9.0 25 17 3.6 198 30
2026-07-31 Jasper 1.2 9.8 11.0 31 20 4.7 224 99
2026-07-31 WCAS Hinton-Drinnan 0.7 1.0 4.8 5.8 25 19 2.9 124 0.0 33 0.4 0.6 47
2026-07-31 WCAS Hinton-Hillcrest 0.3 0.3 2.9 3.1 33 19 5.8 134 0.0 33 0.1

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
2026-07-02 07:30:00 1.1 287 2.8 289 WCAS Hinton-Drinnan 6.0
2026-07-06 00:00:00 1.0 225 5.7 200 WCAS Hinton-Drinnan 6.9
2026-07-07 20:30:00 1.1 248 9.3 217 WCAS Hinton-Drinnan 11.7
2026-07-07 21:00:00 0.6 179 6.9 196 WCAS Hinton-Drinnan 5.0
2026-07-13 07:30:00 1.5 293 2.4 283 WCAS Hinton-Drinnan 7.5
2026-07-13 08:00:00 1.1 229 3.1 273 WCAS Hinton-Drinnan 7.7
2026-07-13 08:30:00 2.1 230 1.4 136 WCAS Hinton-Drinnan 5.5
2026-07-14 08:00:00 1.4 224 3.4 300 WCAS Hinton-Drinnan 5.1
2026-07-14 09:00:00 1.3 273 2.8 281 WCAS Hinton-Drinnan 5.3

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 July 2026