Regina, Saskatchewan, 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
Regina, Saskatchewan, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 79 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Regina, Saskatchewan, Canada
5 AM3rd Aug 2025
9 PM
4 AM4th Aug 2025
86AQI
65AQI
78AQI
61AQI
In the last 24 hours,
Regina's AQI reached its highest point of 86 at 10 AM during the Day, while the lowest point, 61, was recorded at 12 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Regina, Saskatchewan, Canada
17°C9/23°C
17°C13/23°C
18°C14/22°C
20°C11/31°C
27°C17/38°C
21°C15/29°C
18°C14/23°C
20°C9/32°C
20°C12/30°C
16°C14/21°C
15°C11/20°C
16°C10/21°C
16°C8/22°C
18°C9/25°C
19°C10/29°C
19°C14/24°C
19°C12/27°C
18°C15/22°C
16°C13/18°C
18°C6/27°C
25°C14/35°C
22°C15/29°C
21°C14/29°C
19°C11/25°C
16°C12/24°C
19°C9/26°C
19°C9/28°C
23°C14/33°C
23°C17/31°C
22°C16/27°C
--°C/°C
59AQI
55AQI
60AQI
50AQI
2025 Days Vs Air Quality
Regina, Saskatchewan, Canada
89%
192
11%
23
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 216 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Regina, Saskatchewan, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
36AQI
47AQI
40AQI
52AQI
42AQI
42AQI
35AQI
36AQI
43AQI
35AQI
46AQI
57AQI
43AQI
26AQI
24AQI
23AQI
21AQI
21AQI
21AQI
20AQI
25AQI
24AQI
20AQI
23AQI
24AQI
22AQI
20AQI
28AQI
22AQI
24AQI
22AQI
21AQI
21AQI
22AQI
21AQI
23AQI
24AQI
35AQI
34AQI
34AQI
35AQI
29AQI
30AQI
24AQI
21AQI
23AQI
29AQI
25AQI
24AQI
22AQI
21AQI
19AQI
26AQI
29AQI
23AQI
21AQI
19AQI
22AQI
20AQI
25AQI
25AQI
24AQI
22AQI
23AQI
20AQI
19AQI
23AQI
29AQI
26AQI
30AQI
24AQI
28AQI
23AQI
26AQI
24AQI
27AQI
26AQI
23AQI
21AQI
32AQI
24AQI
24AQI
25AQI
25AQI
21AQI
18AQI
16AQI
20AQI
25AQI
23AQI
30AQI
23AQI
25AQI
24AQI
22AQI
18AQI
17AQI
15AQI
19AQI
18AQI
20AQI
19AQI
17AQI
17AQI
18AQI
17AQI
17AQI
18AQI
18AQI
20AQI
16AQI
18AQI
22AQI
21AQI
22AQI
23AQI
18AQI
17AQI
17AQI
19AQI
18AQI
20AQI
17AQI
22AQI
19AQI
21AQI
19AQI
22AQI
28AQI
25AQI
28AQI
23AQI
20AQI
17AQI
16AQI
15AQI
15AQI
15AQI
14AQI
12AQI
15AQI
17AQI
15AQI
18AQI
18AQI
17AQI
17AQI
30AQI
32AQI
35AQI
26AQI
29AQI
32AQI
42AQI
44AQI
42AQI
34AQI
49AQI
56AQI
53AQI
81AQI
93AQI
84AQI
49AQI
35AQI
32AQI
39AQI
40AQI
38AQI
36AQI
38AQI
36AQI
34AQI
41AQI
37AQI
32AQI
27AQI
24AQI
19AQI
18AQI
22AQI
28AQI
28AQI
29AQI
27AQI
35AQI
31AQI
30AQI
37AQI
33AQI
33AQI
75AQI
38AQI
29AQI
54AQI
56AQI
64AQI
63AQI
58AQI
46AQI
30AQI
81AQI
65AQI
66AQI
47AQI
40AQI
35AQI
52AQI
58AQI
85AQI
98AQI
91AQI
79AQI
79AQI
32AQI
25AQI
24AQI
20AQI
20AQI
41AQI
48AQI
83AQI
No. of days
202531AQI
Highest AQI recorded in
August83AQI
Lowest AQI recorded in
April20AQI
202427AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
March5AQI
20237AQI
Highest AQI recorded in
December8AQI
Lowest AQI recorded in
November6AQI
202230AQI
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
March22AQI
202135AQI
Highest AQI recorded in
July87AQI
Lowest AQI recorded in
February17AQI
202024AQI
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
October18AQI
Most & Least Polluted Years Over the Last 6 Years
Regina's annual 2025 AQI (31) shows an average percentage change of 68.7% (worsened AQI) compared to previous years: 2020 (24), 2021 (35), 2022 (30), 2023 (7), 2024 (27).