Calgary Central 2, 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 Central 2, Calgary, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Calgary Central 2, Calgary, Alberta, Canada
5 AM2nd Jul 2025
9 PM
4 AM3rd Jul 2025
49AQI
34AQI
33AQI
31AQI
In the last 24 hours,
Calgary Central 2's AQI reached its highest point of 49 at 3 PM during the Day, while the lowest point, 31, was recorded at 4 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Calgary Central 2, Calgary, Alberta, Canada
12°C8/17°C
14°C7/20°C
18°C9/26°C
19°C13/27°C
15°C9/21°C
18°C8/28°C
22°C15/32°C
18°C13/24°C
17°C12/23°C
14°C12/17°C
18°C13/24°C
16°C10/23°C
16°C10/24°C
17°C9/25°C
18°C11/25°C
18°C10/25°C
16°C10/23°C
12°C11/12°C
8°C7/10°C
10°C4/15°C
12°C5/19°C
15°C7/22°C
18°C10/24°C
18°C10/23°C
17°C9/25°C
15°C10/21°C
19°C11/26°C
21°C10/29°C
22°C12/31°C
23°C14/33°C
0°C0/0°C
38AQI
38AQI
37AQI
37AQI
2025 Days Vs Air Quality
Calgary Central 2, Calgary, Alberta, Canada
92%
169
8%
14
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 184 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 Central 2, Calgary, Alberta, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
54AQI
54AQI
33AQI
54AQI
59AQI
42AQI
32AQI
34AQI
39AQI
32AQI
45AQI
41AQI
35AQI
32AQI
33AQI
27AQI
30AQI
47AQI
51AQI
35AQI
32AQI
40AQI
28AQI
34AQI
41AQI
32AQI
35AQI
45AQI
35AQI
46AQI
43AQI
31AQI
32AQI
31AQI
32AQI
37AQI
51AQI
48AQI
41AQI
45AQI
39AQI
47AQI
59AQI
29AQI
30AQI
56AQI
48AQI
25AQI
35AQI
44AQI
26AQI
19AQI
17AQI
17AQI
26AQI
21AQI
20AQI
30AQI
34AQI
35AQI
22AQI
23AQI
22AQI
26AQI
18AQI
14AQI
24AQI
20AQI
20AQI
20AQI
32AQI
35AQI
36AQI
36AQI
42AQI
43AQI
45AQI
40AQI
32AQI
20AQI
26AQI
29AQI
27AQI
23AQI
26AQI
27AQI
20AQI
30AQI
27AQI
34AQI
31AQI
25AQI
27AQI
28AQI
29AQI
37AQI
23AQI
25AQI
30AQI
29AQI
33AQI
21AQI
31AQI
29AQI
23AQI
20AQI
28AQI
27AQI
21AQI
26AQI
17AQI
27AQI
37AQI
38AQI
34AQI
32AQI
32AQI
18AQI
18AQI
31AQI
32AQI
44AQI
22AQI
16AQI
31AQI
30AQI
29AQI
25AQI
33AQI
26AQI
28AQI
27AQI
38AQI
22AQI
43AQI
34AQI
36AQI
21AQI
18AQI
15AQI
20AQI
26AQI
25AQI
29AQI
30AQI
20AQI
26AQI
37AQI
29AQI
32AQI
20AQI
22AQI
26AQI
41AQI
39AQI
31AQI
40AQI
53AQI
55AQI
56AQI
60AQI
70AQI
54AQI
33AQI
28AQI
31AQI
37AQI
42AQI
34AQI
34AQI
26AQI
24AQI
38AQI
48AQI
49AQI
34AQI
28AQI
20AQI
17AQI
24AQI
31AQI
35AQI
39AQI
35AQI
28AQI
28AQI
28AQI
37AQI
33AQI
No. of days
202533AQI
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
April28AQI
202438AQI
Highest AQI recorded in
January61AQI
Lowest AQI recorded in
June22AQI
202345AQI
Highest AQI recorded in
May62AQI
Lowest AQI recorded in
April25AQI
202231AQI
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
February21AQI
202132AQI
Highest AQI recorded in
July72AQI
Lowest AQI recorded in
May20AQI
202027AQI
Highest AQI recorded in
September33AQI
Lowest AQI recorded in
June18AQI
Most & Least Polluted Years Over the Last 6 Years
Calgary Central 2's annual 2025 AQI (33) shows an average percentage change of -2.6% (improved AQI) compared to previous years: 2020 (27), 2021 (32), 2022 (31), 2023 (45), 2024 (38).