Shawinigan, Quebec, 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
Shawinigan, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 74 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Shawinigan, Quebec, Canada
5 AM3rd Aug 2025
8 PM
4 AM4th Aug 2025
126AQI
45AQI
116AQI
62AQI
In the last 24 hours,
Shawinigan's AQI reached its highest point of 126 at 8 PM during the Day, while the lowest point, 45, was recorded at 9 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shawinigan, Quebec, Canada
20°C12/26°C
22°C18/31°C
15°C14/17°C
20°C14/27°C
21°C11/29°C
20°C15/26°C
21°C14/28°C
24°C16/32°C
24°C20/29°C
25°C21/29°C
23°C17/31°C
26°C18/34°C
24°C16/28°C
20°C13/27°C
19°C11/26°C
19°C15/24°C
17°C12/24°C
17°C11/23°C
18°C9/25°C
23°C15/32°C
24°C20/30°C
21°C12/29°C
21°C13/27°C
25°C19/30°C
23°C17/27°C
21°C17/26°C
18°C13/22°C
17°C8/25°C
17°C7/25°C
22°C14/30°C
--°C/°C
41AQI
41AQI
41AQI
41AQI
2025 Days Vs Air Quality
Shawinigan, Quebec, Canada
92%
197
8%
18
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 216 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
Shawinigan, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
22AQI
21AQI
21AQI
23AQI
25AQI
21AQI
20AQI
21AQI
23AQI
39AQI
31AQI
54AQI
47AQI
22AQI
38AQI
67AQI
45AQI
29AQI
25AQI
47AQI
66AQI
53AQI
40AQI
47AQI
54AQI
37AQI
29AQI
34AQI
25AQI
35AQI
24AQI
28AQI
41AQI
23AQI
22AQI
27AQI
29AQI
23AQI
32AQI
28AQI
42AQI
27AQI
24AQI
23AQI
24AQI
26AQI
20AQI
20AQI
20AQI
26AQI
24AQI
25AQI
43AQI
34AQI
55AQI
36AQI
43AQI
30AQI
25AQI
22AQI
36AQI
42AQI
45AQI
20AQI
24AQI
27AQI
26AQI
23AQI
37AQI
22AQI
29AQI
52AQI
39AQI
38AQI
20AQI
19AQI
24AQI
27AQI
20AQI
22AQI
17AQI
23AQI
28AQI
22AQI
19AQI
19AQI
17AQI
22AQI
21AQI
16AQI
19AQI
17AQI
19AQI
20AQI
19AQI
20AQI
28AQI
17AQI
24AQI
34AQI
31AQI
24AQI
28AQI
24AQI
16AQI
17AQI
22AQI
34AQI
15AQI
14AQI
17AQI
12AQI
15AQI
18AQI
15AQI
12AQI
18AQI
22AQI
15AQI
15AQI
23AQI
16AQI
18AQI
16AQI
20AQI
19AQI
15AQI
14AQI
17AQI
15AQI
20AQI
22AQI
28AQI
31AQI
35AQI
29AQI
17AQI
11AQI
13AQI
17AQI
15AQI
15AQI
11AQI
14AQI
20AQI
25AQI
26AQI
30AQI
24AQI
26AQI
12AQI
15AQI
24AQI
43AQI
48AQI
54AQI
63AQI
49AQI
54AQI
47AQI
50AQI
50AQI
24AQI
24AQI
25AQI
32AQI
42AQI
24AQI
35AQI
21AQI
24AQI
24AQI
38AQI
46AQI
41AQI
24AQI
24AQI
20AQI
21AQI
31AQI
37AQI
30AQI
42AQI
25AQI
28AQI
34AQI
40AQI
30AQI
33AQI
35AQI
35AQI
45AQI
43AQI
40AQI
41AQI
51AQI
53AQI
26AQI
34AQI
45AQI
28AQI
18AQI
24AQI
29AQI
39AQI
51AQI
59AQI
58AQI
51AQI
62AQI
41AQI
19AQI
34AQI
74AQI
35AQI
29AQI
27AQI
20AQI
20AQI
34AQI
39AQI
42AQI
No. of days
202529AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
May20AQI
202429AQI
Highest AQI recorded in
August35AQI
Lowest AQI recorded in
November23AQI
202335AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
October28AQI
202230AQI
Highest AQI recorded in
January43AQI
Lowest AQI recorded in
August19AQI
202130AQI
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
September20AQI
202029AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
September21AQI
Most & Least Polluted Years Over the Last 6 Years
Shawinigan's annual 2025 AQI (29) shows an average percentage change of -3.8% (improved AQI) compared to previous years: 2020 (29), 2021 (30), 2022 (30), 2023 (35), 2024 (29).