Champlain, 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
Champlain, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (7th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Champlain, Quebec, Canada
6 AM7th Oct 2025
6 PM
5 AM8th Oct 2025
56AQI
50AQI
49AQI
21AQI
In the last 24 hours,
Champlain's AQI reached its highest point of 56 at 2 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Day between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Champlain, Quebec, Canada
12°C5/18°C
14°C6/23°C
15°C5/25°C
15°C9/22°C
13°C5/21°C
15°C8/23°C
16°C8/22°C
16°C8/24°C
16°C6/26°C
17°C7/25°C
18°C10/29°C
13°C9/19°C
10°C3/17°C
11°C2/21°C
15°C7/22°C
18°C15/25°C
16°C12/22°C
15°C13/17°C
16°C11/21°C
13°C6/21°C
17°C11/27°C
17°C9/28°C
14°C9/19°C
11°C5/18°C
9°C2/19°C
12°C2/22°C
17°C11/26°C
19°C10/30°C
20°C13/29°C
19°C15/28°C
--°C/°C
32AQI
28AQI
33AQI
28AQI
2025 Days Vs Air Quality
Champlain, Quebec, Canada
91%
177
9%
18
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 281 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
Champlain, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
24AQI
20AQI
28AQI
25AQI
18AQI
20AQI
20AQI
22AQI
21AQI
21AQI
22AQI
22AQI
17AQI
25AQI
36AQI
34AQI
27AQI
29AQI
28AQI
15AQI
15AQI
24AQI
38AQI
17AQI
22AQI
21AQI
16AQI
17AQI
26AQI
24AQI
15AQI
22AQI
27AQI
16AQI
15AQI
31AQI
21AQI
23AQI
22AQI
30AQI
19AQI
16AQI
16AQI
20AQI
15AQI
23AQI
31AQI
33AQI
32AQI
41AQI
34AQI
20AQI
11AQI
12AQI
18AQI
15AQI
17AQI
11AQI
15AQI
22AQI
27AQI
33AQI
34AQI
25AQI
26AQI
13AQI
17AQI
25AQI
38AQI
43AQI
53AQI
57AQI
53AQI
55AQI
44AQI
50AQI
55AQI
24AQI
25AQI
30AQI
33AQI
41AQI
24AQI
39AQI
22AQI
27AQI
28AQI
37AQI
47AQI
41AQI
25AQI
24AQI
23AQI
21AQI
28AQI
35AQI
29AQI
32AQI
24AQI
28AQI
32AQI
40AQI
28AQI
34AQI
35AQI
32AQI
43AQI
43AQI
34AQI
34AQI
45AQI
49AQI
41AQI
44AQI
46AQI
35AQI
18AQI
23AQI
29AQI
38AQI
47AQI
55AQI
57AQI
49AQI
58AQI
47AQI
25AQI
28AQI
51AQI
57AQI
36AQI
29AQI
39AQI
49AQI
54AQI
60AQI
57AQI
55AQI
51AQI
33AQI
21AQI
29AQI
26AQI
15AQI
21AQI
20AQI
26AQI
28AQI
32AQI
27AQI
25AQI
15AQI
18AQI
22AQI
20AQI
19AQI
23AQI
36AQI
36AQI
30AQI
29AQI
25AQI
27AQI
23AQI
19AQI
22AQI
24AQI
26AQI
22AQI
25AQI
33AQI
28AQI
32AQI
32AQI
31AQI
18AQI
16AQI
20AQI
22AQI
25AQI
23AQI
18AQI
20AQI
21AQI
34AQI
43AQI
32AQI
33AQI
40AQI
50AQI
55AQI
59AQI
62AQI
50AQI
23AQI
23AQI
23AQI
35AQI
38AQI
33AQI
26AQI
50AQI
No. of days
202530AQI
Highest AQI recorded in
October50AQI
Lowest AQI recorded in
April23AQI
Most & Least Polluted Years Over the Last 1 Years
Champlain's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .