This is a data summary for 2016 to 2025 at the St. Albert Air
Monitoring Station
St. Albert
2016 to 2025 Readings above Guidelines
Readings above the AAAQO and AAAQG
St. Albert Station, ACA
2016 to 2025 St. Albert AQHI Summary
| AQHI band |
2016
N = 6,465 |
2017
N = 8,760 |
2018
N = 8,760 |
2019
N = 8,760 |
2020
N = 8,784 |
2021
N = 8,760 |
2022
N = 8,760 |
2023
N = 8,760 |
2024
N = 8,784 |
2025
N = 5,089 |
| AQHI band |
|
|
|
|
|
|
|
|
|
|
| 1-3 Low |
5,614 (87%) |
7,900 (90%) |
6,834 (78%) |
7,455 (85%) |
7,306 (83%) |
7,252 (83%) |
7,353 (84%) |
6,684 (76%) |
7,428 (85%) |
3,997 (79%) |
| 4-6 Moderate |
315 (4.9%) |
714 (8.2%) |
1,335 (15%) |
781 (8.9%) |
722 (8.2%) |
868 (9.9%) |
828 (9.5%) |
1,439 (16%) |
830 (9.4%) |
607 (12%) |
| 7-10 High |
2 (<0.1%) |
3 (<0.1%) |
68 (0.8%) |
37 (0.4%) |
2 (<0.1%) |
15 (0.2%) |
0 (0%) |
133 (1.5%) |
41 (0.5%) |
17 (0.3%) |
| 10+ Very High |
1 (<0.1%) |
0 (0%) |
17 (0.2%) |
5 (<0.1%) |
0 (0%) |
0 (0%) |
0 (0%) |
44 (0.5%) |
18 (0.2%) |
4 (<0.1%) |
| No Data |
533 (8.2%) |
143 (1.6%) |
506 (5.8%) |
482 (5.5%) |
754 (8.6%) |
625 (7.1%) |
579 (6.6%) |
460 (5.3%) |
467 (5.3%) |
464 (9.1%) |

2016 to 2025 St. Albert Monitoring Summary
note: SO2, NO, NO2, NOX, O3 in parts per billion; CO in parts per
million; PM2.5 in micrograms per cubic metre; Relative Humidity (RH) in
percent; External (outside) Temperature (ET) in degrees celsius
| Parameter |
ACA St. Albert Station N = 81682 |
| SO2 |
0.3 (1.2, 59.9%) |
| NO |
4.3 (22.6, 94.5%) |
| NO2 |
9.9 (33.5, 94.5%) |
| NOX |
14.2 (53.7, 94.5%) |
| O3 |
25.2 (48.0, 95.0%) |
| CO |
0.2 (0.4, 94.7%) |
| PM2.5 |
8.1 (22.9, 98.6%) |
| RH |
68.6 (100.0, 95.2%) |
| ET |
4.8 (22.9, 99.5%) |
2016 to 2025 St. Albert Monitoring Summary

St. Albert 2016 to 2025 Historical Summary

Individual Parameter Plots
Air Quality Health Index (AQHI)
AQHI Calendar Plot


AQHI Trend

AQHI Ridge Plot

Sulphur Dioxide (SO2)
Sulphur Dioxide PolarMap (Red high, Blue low)
Sulphur Dioxide PolarMap split by daylight (Red high, Blue low)
Sulphur Dioxide PolarMap split by weekend (Red high, Blue low)
Sulphur Dioxide Conditional Probability Function

Sulphur Dioxide Trend

Sulphur Dioxide Ridge Plot

Nitrogen Dioxide (NO2)
Nitrogen Dioxide PolarMap (Red high, Blue low)
Nitrogen Dioxide PolarMap split by daylight (Red high, Blue
low)
Nitrogen Dioxide PolarMap split by weekend (Red high, Blue low)
Nitrogen Dioxide Conditional Probability Function

Nitrogen Dioxide Trend

Nitrogen Dioxide Ridge Plot

Ozone (O3)
Ozone PolarMap (Red high, Blue low)
Ozone PolarMap split by daylight (Red high, Blue low)
Ozone PolarMap split by weekend (Red high, Blue low)
Ozone Conditional Probability Function

Ozone Trend

Ozone Ridge Plot

Carbon Monoxide (CO)
Carbon Monoxide PolarMap (Red high, Blue low)
Carbon Monoxide PolarMap split by daylight (Red high, Blue low)
Carbon Monoxide PolarMap split by weekend (Red high, Blue low)
Carbon Monoxide Conditional Probability Function

Carbon Monoxide Trend

Carbon Monoxide Ridge Plot

Fine Particulate Matter (PM2.5)
PM2.5 PolarMap (Red high, Blue low)
PM2.5 PolarMap split by daylight (Red high, Blue low)
PM2.5 PolarMap split by weekend (Red high, Blue low)
PM2.5 Conditional Probability Function

PM2.5 Trend

PM2.5 Ridge Plot

Wind Rose
