Calgary, Alberta, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Calgary, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (19th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 58 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Day & Night AQI Trend: 19th Jul - 20th Jul 2026
Calgary, Alberta, Canada
5 AM19th Jul 2026
9 PM
4 AM20th Jul 2026
69AQI
46AQI
68AQI
52AQI
In the last 24 hours,
Calgary's AQI reached its highest point of 69 at 7 PM during the Day, while the lowest point, 46, was recorded at 6 AM during the Day between 19th Jul and 20th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Calgary, Alberta, Canada
11°C6/18°C
9°C7/14°C
15°C6/24°C
17°C8/24°C
18°C10/26°C
18°C11/24°C
15°C12/19°C
14°C11/16°C
16°C13/23°C
16°C11/22°C
16°C11/23°C
17°C10/23°C
18°C12/24°C
19°C12/25°C
15°C11/19°C
15°C7/23°C
19°C10/29°C
21°C15/29°C
20°C14/28°C
22°C14/30°C
22°C13/31°C
21°C12/30°C
21°C14/31°C
21°C13/30°C
21°C14/30°C
23°C14/32°C
24°C16/34°C
25°C17/34°C
21°C13/28°C
18°C13/24°C
34AQI
30AQI
33AQI
30AQI
2026 Days Vs Air Quality
Calgary, Alberta, Canada
97%
191
3%
5
0.5%
1
Total number of days with different AQI categories in last 201 days in 2026 (164 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 201 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, Alberta, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI (US)
30AQI (US)
29AQI (US)
41AQI (US)
49AQI (US)
34AQI (US)
15AQI (US)
26AQI (US)
33AQI (US)
18AQI (US)
19AQI (US)
23AQI (US)
15AQI (US)
21AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
15AQI (US)
32AQI (US)
27AQI (US)
24AQI (US)
48AQI (US)
46AQI (US)
48AQI (US)
47AQI (US)
53AQI (US)
45AQI (US)
41AQI (US)
47AQI (US)
41AQI (US)
38AQI (US)
44AQI (US)
46AQI (US)
48AQI (US)
45AQI (US)
46AQI (US)
40AQI (US)
38AQI (US)
40AQI (US)
42AQI (US)
31AQI (US)
26AQI (US)
23AQI (US)
33AQI (US)
41AQI (US)
31AQI (US)
36AQI (US)
39AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
49AQI (US)
42AQI (US)
49AQI (US)
45AQI (US)
35AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
44AQI (US)
46AQI (US)
45AQI (US)
42AQI (US)
24AQI (US)
33AQI (US)
38AQI (US)
32AQI (US)
23AQI (US)
33AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
22AQI (US)
25AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
35AQI (US)
32AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
35AQI (US)
31AQI (US)
30AQI (US)
33AQI (US)
26AQI (US)
31AQI (US)
22AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
19AQI (US)
23AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
38AQI (US)
30AQI (US)
30AQI (US)
20AQI (US)
16AQI (US)
18AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
20AQI (US)
26AQI (US)
23AQI (US)
20AQI (US)
25AQI (US)
25AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
19AQI (US)
23AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
21AQI (US)
36AQI (US)
37AQI (US)
38AQI (US)
26AQI (US)
32AQI (US)
30AQI (US)
21AQI (US)
28AQI (US)
22AQI (US)
23AQI (US)
18AQI (US)
23AQI (US)
25AQI (US)
31AQI (US)
21AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
35AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
24AQI (US)
19AQI (US)
27AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
19AQI (US)
17AQI (US)
18AQI (US)
15AQI (US)
17AQI (US)
18AQI (US)
15AQI (US)
14AQI (US)
20AQI (US)
19AQI (US)
17AQI (US)
18AQI (US)
25AQI (US)
27AQI (US)
62AQI (US)
105AQI (US)
69AQI (US)
24AQI (US)
18AQI (US)
16AQI (US)
17AQI (US)
15AQI (US)
19AQI (US)
24AQI (US)
47AQI (US)
32AQI (US)
19AQI (US)
23AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
35AQI (US)
46AQI (US)
60AQI (US)
58AQI (US)
33AQI (US)
38AQI (US)
32AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
32AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
February38AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
September59AQI (US)
Lowest AQI (US) recorded in
May27AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202343AQI (US)
Highest AQI (US) recorded in
May62AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202228AQI (US)
Highest AQI (US) recorded in
September53AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
July70AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
September32AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Calgary's annual 2026 AQI (US) (30) shows an average percentage change of -4.8% (improved AQI (US)) compared to previous years: 2020 (24), 2021 (30), 2022 (28), 2023 (43), 2024 (36), 2025 (35).