Calgary Southeast, Calgary, 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
Calgary Southeast, Calgary, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (18th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Aug - 19th Aug 2025
Calgary Southeast, Calgary, Alberta, Canada
6 AM18th Aug 2025
9 PM
5 AM19th Aug 2025
44AQI
22AQI
31AQI
22AQI
In the last 24 hours,
Calgary Southeast's AQI reached its highest point of 44 at 4 PM during the Day, while the lowest point, 22, was recorded at 2 AM during the Night between 18th Aug and 19th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Calgary Southeast, Calgary, Alberta, Canada
--°C/°C
15°C10/20°C
9°C7/10°C
14°C4/24°C
20°C10/30°C
15°C11/21°C
13°C11/16°C
14°C12/18°C
14°C11/18°C
18°C13/23°C
20°C12/28°C
21°C12/29°C
21°C13/30°C
20°C12/25°C
17°C14/21°C
17°C11/25°C
18°C10/25°C
18°C11/28°C
17°C12/21°C
15°C12/20°C
17°C11/23°C
19°C11/28°C
19°C15/24°C
21°C13/29°C
17°C11/29°C
13°C9/17°C
16°C11/24°C
19°C14/27°C
19°C10/26°C
18°C10/25°C
19°C10/28°C
38AQI
36AQI
36AQI
36AQI
2025 Days Vs Air Quality
Calgary Southeast, Calgary, Alberta, Canada
96%
220
4%
10
Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 232 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
Calgary Southeast, Calgary, Alberta, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
52AQI
53AQI
32AQI
48AQI
53AQI
35AQI
27AQI
31AQI
35AQI
27AQI
34AQI
35AQI
32AQI
29AQI
30AQI
26AQI
29AQI
45AQI
48AQI
32AQI
32AQI
34AQI
27AQI
31AQI
37AQI
34AQI
36AQI
39AQI
40AQI
45AQI
44AQI
32AQI
33AQI
33AQI
35AQI
29AQI
43AQI
42AQI
38AQI
31AQI
32AQI
40AQI
49AQI
31AQI
25AQI
55AQI
44AQI
20AQI
27AQI
33AQI
22AQI
17AQI
18AQI
16AQI
24AQI
20AQI
19AQI
22AQI
29AQI
28AQI
20AQI
21AQI
22AQI
25AQI
19AQI
11AQI
23AQI
19AQI
18AQI
20AQI
29AQI
30AQI
33AQI
33AQI
38AQI
41AQI
41AQI
37AQI
27AQI
22AQI
19AQI
30AQI
24AQI
27AQI
27AQI
28AQI
20AQI
26AQI
24AQI
32AQI
32AQI
24AQI
28AQI
22AQI
28AQI
30AQI
22AQI
21AQI
28AQI
33AQI
34AQI
19AQI
28AQI
30AQI
24AQI
20AQI
22AQI
24AQI
20AQI
23AQI
18AQI
25AQI
36AQI
32AQI
33AQI
34AQI
29AQI
21AQI
20AQI
30AQI
33AQI
41AQI
24AQI
18AQI
27AQI
29AQI
30AQI
26AQI
29AQI
27AQI
26AQI
26AQI
36AQI
22AQI
35AQI
30AQI
32AQI
20AQI
17AQI
15AQI
19AQI
25AQI
22AQI
28AQI
26AQI
18AQI
21AQI
36AQI
28AQI
24AQI
20AQI
21AQI
29AQI
38AQI
36AQI
29AQI
37AQI
50AQI
54AQI
54AQI
52AQI
56AQI
46AQI
29AQI
25AQI
27AQI
37AQI
41AQI
35AQI
34AQI
23AQI
22AQI
42AQI
49AQI
49AQI
32AQI
27AQI
19AQI
16AQI
22AQI
29AQI
35AQI
26AQI
24AQI
22AQI
21AQI
23AQI
30AQI
32AQI
23AQI
24AQI
28AQI
24AQI
19AQI
37AQI
48AQI
50AQI
49AQI
31AQI
27AQI
31AQI
47AQI
48AQI
39AQI
37AQI
29AQI
45AQI
49AQI
41AQI
46AQI
50AQI
55AQI
52AQI
40AQI
38AQI
37AQI
34AQI
28AQI
22AQI
27AQI
30AQI
23AQI
31AQI
37AQI
27AQI
34AQI
46AQI
23AQI
28AQI
36AQI
31AQI
26AQI
26AQI
26AQI
35AQI
34AQI
34AQI
No. of days
202531AQI
Highest AQI recorded in
January36AQI
Lowest AQI recorded in
March26AQI
202437AQI
Highest AQI recorded in
July57AQI
Lowest AQI recorded in
June20AQI
202346AQI
Highest AQI recorded in
July69AQI
Lowest AQI recorded in
April29AQI
202231AQI
Highest AQI recorded in
September56AQI
Lowest AQI recorded in
February22AQI
202130AQI
Highest AQI recorded in
July67AQI
Lowest AQI recorded in
May19AQI
202026AQI
Highest AQI recorded in
September33AQI
Lowest AQI recorded in
June18AQI
Most & Least Polluted Years Over the Last 6 Years
Calgary Southeast's annual 2025 AQI (31) shows an average percentage change of -4.8% (improved AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (31), 2023 (46), 2024 (37).