Downtown, Calgary, Alberta, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Downtown, Calgary, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Downtown, Calgary, Alberta, Canada
5 AM2nd Jun 2026
9 PM
4 AM3rd Jun 2026
40AQI
24AQI
32AQI
11AQI
In the last 24 hours,
Downtown's AQI reached its highest point of 40 at 6 PM during the Day, while the lowest point, 11, was recorded at 1 AM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Downtown, Calgary, Alberta, Canada
7°C3/14°C
11°C-2/24°C
15°C9/22°C
15°C8/23°C
15°C8/22°C
16°C7/25°C
13°C7/18°C
15°C5/27°C
17°C9/28°C
13°C9/19°C
10°C6/16°C
4°C1/4°C
5°C0/10°C
8°C1/14°C
9°C4/16°C
8°C5/12°C
12°C5/19°C
13°C6/22°C
16°C6/23°C
16°C10/23°C
19°C8/29°C
20°C13/27°C
20°C14/29°C
22°C14/29°C
22°C16/30°C
16°C12/22°C
8°C6/9°C
7°C5/11°C
8°C7/9°C
11°C6/18°C
35AQI
20AQI
29AQI
22AQI
2026 Days Vs Air Quality
Downtown, Calgary, Alberta, Canada
96%
144
4%
6
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 154 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
Downtown, Calgary, Alberta, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI (US)
35AQI (US)
34AQI (US)
48AQI (US)
53AQI (US)
50AQI (US)
22AQI (US)
44AQI (US)
46AQI (US)
21AQI (US)
27AQI (US)
31AQI (US)
16AQI (US)
29AQI (US)
24AQI (US)
27AQI (US)
35AQI (US)
22AQI (US)
46AQI (US)
41AQI (US)
26AQI (US)
49AQI (US)
52AQI (US)
50AQI (US)
53AQI (US)
52AQI (US)
50AQI (US)
46AQI (US)
51AQI (US)
46AQI (US)
41AQI (US)
45AQI (US)
49AQI (US)
48AQI (US)
50AQI (US)
51AQI (US)
45AQI (US)
41AQI (US)
45AQI (US)
46AQI (US)
33AQI (US)
27AQI (US)
24AQI (US)
36AQI (US)
43AQI (US)
31AQI (US)
37AQI (US)
42AQI (US)
32AQI (US)
33AQI (US)
38AQI (US)
50AQI (US)
41AQI (US)
48AQI (US)
45AQI (US)
35AQI (US)
28AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
41AQI (US)
44AQI (US)
44AQI (US)
42AQI (US)
28AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
25AQI (US)
32AQI (US)
39AQI (US)
33AQI (US)
33AQI (US)
22AQI (US)
25AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
25AQI (US)
37AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
33AQI (US)
26AQI (US)
30AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
31AQI (US)
36AQI (US)
33AQI (US)
31AQI (US)
21AQI (US)
16AQI (US)
19AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
28AQI (US)
25AQI (US)
21AQI (US)
27AQI (US)
27AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
27AQI (US)
29AQI (US)
24AQI (US)
20AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
35AQI (US)
39AQI (US)
40AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
23AQI (US)
29AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
30AQI (US)
21AQI (US)
24AQI (US)
29AQI (US)
30AQI (US)
29AQI (US)
39AQI (US)
40AQI (US)
33AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February40AQI (US)
Lowest AQI (US) recorded in
April25AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
September60AQI (US)
Lowest AQI (US) recorded in
March29AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Downtown's annual 2026 AQI (US) (33) shows an average percentage change of -17.5% (improved AQI (US)) compared to previous years: 2025 (40).