Crnl Horizon, Wood Buffalo, Alberta, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Crnl Horizon, Wood Buffalo, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (21st August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Crnl Horizon, Wood Buffalo, Alberta, Canada
5 AM21st Aug 2025
9 PM
4 AM22nd Aug 2025
34AQI
17AQI
39AQI
22AQI
In the last 24 hours,
Crnl Horizon's AQI reached its highest point of 39 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Crnl Horizon, Wood Buffalo, Alberta, Canada
18°C8/26°C
16°C11/23°C
13°C11/15°C
14°C8/20°C
11°C7/14°C
14°C10/18°C
17°C8/27°C
22°C13/30°C
25°C16/34°C
25°C16/34°C
24°C17/31°C
24°C16/33°C
18°C16/20°C
21°C11/29°C
19°C13/26°C
19°C14/27°C
20°C16/26°C
20°C13/28°C
19°C14/25°C
15°C12/20°C
13°C11/14°C
11°C9/12°C
10°C7/14°C
12°C5/20°C
11°C7/16°C
16°C10/25°C
17°C10/24°C
18°C12/25°C
17°C12/23°C
12°C10/13°C
--°C/°C
43AQI
40AQI
41AQI
41AQI
2025 Days Vs Air Quality
Crnl Horizon, Wood Buffalo, Alberta, Canada
92%
215
8%
18
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 234 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Crnl Horizon, Wood Buffalo, Alberta, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
29AQI
38AQI
31AQI
29AQI
32AQI
43AQI
25AQI
20AQI
35AQI
22AQI
40AQI
37AQI
24AQI
21AQI
19AQI
25AQI
26AQI
32AQI
36AQI
23AQI
29AQI
25AQI
19AQI
22AQI
28AQI
22AQI
19AQI
28AQI
31AQI
31AQI
21AQI
24AQI
26AQI
24AQI
23AQI
28AQI
34AQI
30AQI
28AQI
27AQI
26AQI
25AQI
23AQI
25AQI
26AQI
24AQI
27AQI
26AQI
24AQI
31AQI
44AQI
35AQI
29AQI
31AQI
33AQI
28AQI
26AQI
26AQI
33AQI
27AQI
20AQI
25AQI
20AQI
24AQI
26AQI
22AQI
26AQI
35AQI
33AQI
18AQI
41AQI
19AQI
21AQI
21AQI
20AQI
36AQI
40AQI
32AQI
37AQI
24AQI
25AQI
19AQI
20AQI
19AQI
21AQI
49AQI
50AQI
55AQI
46AQI
39AQI
43AQI
17AQI
28AQI
32AQI
30AQI
31AQI
27AQI
34AQI
22AQI
25AQI
16AQI
18AQI
21AQI
26AQI
14AQI
19AQI
20AQI
19AQI
15AQI
19AQI
19AQI
15AQI
24AQI
33AQI
34AQI
21AQI
22AQI
17AQI
24AQI
24AQI
29AQI
36AQI
26AQI
14AQI
25AQI
33AQI
26AQI
21AQI
27AQI
30AQI
40AQI
32AQI
41AQI
21AQI
24AQI
19AQI
24AQI
27AQI
21AQI
21AQI
31AQI
22AQI
20AQI
23AQI
29AQI
29AQI
29AQI
41AQI
37AQI
26AQI
40AQI
33AQI
17AQI
36AQI
43AQI
41AQI
38AQI
19AQI
56AQI
55AQI
34AQI
31AQI
38AQI
45AQI
55AQI
50AQI
43AQI
32AQI
32AQI
35AQI
35AQI
33AQI
39AQI
44AQI
46AQI
40AQI
35AQI
35AQI
34AQI
28AQI
23AQI
33AQI
25AQI
22AQI
38AQI
41AQI
41AQI
30AQI
22AQI
29AQI
40AQI
26AQI
33AQI
28AQI
30AQI
41AQI
51AQI
64AQI
59AQI
68AQI
46AQI
33AQI
38AQI
58AQI
47AQI
52AQI
47AQI
51AQI
54AQI
57AQI
59AQI
57AQI
57AQI
37AQI
36AQI
40AQI
44AQI
46AQI
47AQI
58AQI
56AQI
36AQI
31AQI
38AQI
27AQI
27AQI
23AQI
21AQI
23AQI
24AQI
30AQI
28AQI
28AQI
28AQI
29AQI
24AQI
27AQI
38AQI
41AQI
37AQI
No. of days
202531AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
April24AQI
202431AQI
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
March15AQI
202323AQI
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
November14AQI
202217AQI
Highest AQI recorded in
September17AQI
Lowest AQI recorded in
September17AQI
202024AQI
Highest AQI recorded in
May28AQI
Lowest AQI recorded in
September15AQI
Most & Least Polluted Years Over the Last 5 Years
Crnl Horizon's annual 2025 AQI (31) shows an average percentage change of 38.6% (worsened AQI) compared to previous years: 2020 (24), 2022 (17), 2023 (23), 2024 (31).