Shawinigan Saint Marc Area, Shawinigan, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Shawinigan Saint Marc Area, Shawinigan, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Oct - 17th Oct 2025
Shawinigan Saint Marc Area, Shawinigan, Quebec, Canada
6 AM16th Oct 2025
6 PM
5 AM17th Oct 2025
32AQI
16AQI
40AQI
23AQI
In the last 24 hours,
Shawinigan Saint Marc Area's AQI reached its highest point of 40 at 12 AM during the Night, while the lowest point, 16, was recorded at 9 AM during the Day between 16th Oct and 17th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shawinigan Saint Marc Area, Shawinigan, Quebec, Canada
17°C7/27°C
18°C9/29°C
13°C10/19°C
10°C4/18°C
10°C2/21°C
15°C7/23°C
18°C15/24°C
17°C12/24°C
15°C13/16°C
16°C11/22°C
13°C6/21°C
17°C9/27°C
17°C9/28°C
14°C9/20°C
11°C5/19°C
9°C1/19°C
12°C1/22°C
17°C11/25°C
19°C10/30°C
20°C13/28°C
19°C15/27°C
10°C4/12°C
6°C2/14°C
6°C0/16°C
9°C0/18°C
11°C6/20°C
11°C6/18°C
11°C7/18°C
8°C4/12°C
7°C2/15°C
--°C/°C
34AQI
30AQI
37AQI
31AQI
2025 Days Vs Air Quality
Shawinigan Saint Marc Area, Shawinigan, Quebec, Canada
90%
262
10%
28
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 290 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 Saint Marc Area, 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
22AQI
24AQI
41AQI
31AQI
55AQI
49AQI
23AQI
40AQI
69AQI
46AQI
30AQI
26AQI
49AQI
69AQI
54AQI
41AQI
48AQI
55AQI
38AQI
28AQI
35AQI
25AQI
36AQI
24AQI
27AQI
41AQI
23AQI
22AQI
27AQI
29AQI
23AQI
32AQI
29AQI
43AQI
27AQI
24AQI
23AQI
25AQI
26AQI
20AQI
20AQI
20AQI
25AQI
24AQI
25AQI
43AQI
35AQI
54AQI
36AQI
45AQI
30AQI
25AQI
23AQI
35AQI
41AQI
44AQI
20AQI
24AQI
27AQI
26AQI
23AQI
37AQI
22AQI
28AQI
52AQI
40AQI
39AQI
20AQI
19AQI
25AQI
28AQI
21AQI
22AQI
17AQI
24AQI
28AQI
22AQI
19AQI
19AQI
17AQI
22AQI
21AQI
16AQI
18AQI
17AQI
19AQI
20AQI
19AQI
20AQI
29AQI
17AQI
24AQI
34AQI
31AQI
24AQI
29AQI
24AQI
16AQI
17AQI
22AQI
34AQI
15AQI
14AQI
17AQI
12AQI
15AQI
18AQI
16AQI
12AQI
18AQI
21AQI
15AQI
15AQI
23AQI
16AQI
18AQI
16AQI
20AQI
19AQI
15AQI
15AQI
17AQI
14AQI
20AQI
22AQI
28AQI
30AQI
35AQI
28AQI
16AQI
11AQI
14AQI
17AQI
16AQI
15AQI
11AQI
13AQI
19AQI
24AQI
26AQI
29AQI
23AQI
26AQI
12AQI
15AQI
24AQI
43AQI
48AQI
55AQI
63AQI
47AQI
53AQI
46AQI
50AQI
49AQI
23AQI
24AQI
26AQI
32AQI
42AQI
23AQI
35AQI
20AQI
24AQI
25AQI
39AQI
46AQI
41AQI
23AQI
23AQI
19AQI
21AQI
31AQI
39AQI
30AQI
43AQI
25AQI
27AQI
34AQI
42AQI
30AQI
33AQI
35AQI
34AQI
46AQI
42AQI
41AQI
43AQI
54AQI
56AQI
25AQI
35AQI
47AQI
26AQI
17AQI
25AQI
28AQI
37AQI
53AQI
60AQI
58AQI
49AQI
62AQI
37AQI
18AQI
36AQI
85AQI
63AQI
27AQI
29AQI
34AQI
46AQI
58AQI
62AQI
59AQI
58AQI
53AQI
38AQI
27AQI
38AQI
30AQI
15AQI
20AQI
20AQI
25AQI
32AQI
34AQI
30AQI
26AQI
14AQI
18AQI
23AQI
20AQI
19AQI
24AQI
34AQI
37AQI
35AQI
33AQI
24AQI
25AQI
27AQI
18AQI
20AQI
27AQI
27AQI
20AQI
28AQI
35AQI
24AQI
25AQI
28AQI
33AQI
18AQI
15AQI
20AQI
20AQI
26AQI
24AQI
18AQI
20AQI
22AQI
35AQI
38AQI
29AQI
27AQI
33AQI
48AQI
57AQI
59AQI
62AQI
52AQI
23AQI
27AQI
37AQI
51AQI
46AQI
37AQI
46AQI
32AQI
30AQI
31AQI
36AQI
29AQI
27AQI
20AQI
20AQI
34AQI
39AQI
35AQI
26AQI
41AQI
No. of days
202530AQI
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
May20AQI
202430AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
November24AQI
202336AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
October28AQI
202231AQI
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
August20AQI
202131AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
September20AQI
202030AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Shawinigan Saint Marc Area's annual 2025 AQI (30) shows an average percentage change of -3.6% (improved AQI) compared to previous years: 2020 (30), 2021 (31), 2022 (31), 2023 (36), 2024 (30).