Chapais, 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
Chapais, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (19th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 17 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Chapais, Quebec, Canada
5 AM20th Aug 2025
8 PM
4 AM21st Aug 2025
20AQI
17AQI
20AQI
18AQI
In the last 24 hours,
Chapais's AQI reached its highest point of 20 at 11 AM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chapais, Quebec, Canada
15°C7/20°C
17°C16/20°C
18°C17/20°C
19°C14/21°C
21°C11/27°C
21°C17/23°C
16°C11/20°C
16°C13/20°C
15°C11/18°C
12°C7/16°C
15°C7/19°C
17°C11/21°C
17°C12/19°C
12°C8/16°C
16°C8/21°C
20°C11/25°C
22°C14/26°C
22°C18/27°C
23°C19/28°C
26°C21/30°C
26°C20/31°C
25°C22/27°C
20°C11/23°C
13°C8/17°C
16°C7/23°C
19°C12/23°C
11°C7/13°C
12°C7/16°C
14°C10/18°C
16°C9/22°C
--°C/°C
51AQI
51AQI
51AQI
50AQI
2025 Days Vs Air Quality
Chapais, Quebec, Canada
78%
114
22%
32
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 233 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
Chapais, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
20AQI
18AQI
19AQI
19AQI
16AQI
18AQI
16AQI
18AQI
17AQI
16AQI
14AQI
17AQI
19AQI
22AQI
19AQI
22AQI
23AQI
20AQI
17AQI
15AQI
16AQI
19AQI
20AQI
15AQI
13AQI
13AQI
12AQI
16AQI
20AQI
15AQI
11AQI
17AQI
20AQI
13AQI
15AQI
16AQI
15AQI
16AQI
15AQI
18AQI
16AQI
14AQI
17AQI
15AQI
16AQI
18AQI
22AQI
27AQI
25AQI
24AQI
24AQI
14AQI
12AQI
12AQI
13AQI
14AQI
14AQI
12AQI
15AQI
20AQI
26AQI
26AQI
31AQI
33AQI
35AQI
26AQI
28AQI
59AQI
56AQI
59AQI
49AQI
55AQI
49AQI
54AQI
55AQI
56AQI
52AQI
27AQI
25AQI
27AQI
36AQI
38AQI
31AQI
38AQI
19AQI
22AQI
25AQI
34AQI
36AQI
30AQI
26AQI
30AQI
26AQI
27AQI
32AQI
35AQI
34AQI
41AQI
29AQI
27AQI
42AQI
40AQI
25AQI
29AQI
30AQI
33AQI
75AQI
78AQI
87AQI
71AQI
59AQI
39AQI
39AQI
49AQI
55AQI
32AQI
26AQI
28AQI
45AQI
58AQI
64AQI
65AQI
59AQI
59AQI
81AQI
63AQI
57AQI
100AQI
82AQI
64AQI
42AQI
43AQI
52AQI
61AQI
61AQI
58AQI
71AQI
60AQI
57AQI
32AQI
26AQI
36AQI
24AQI
14AQI
17AQI
19AQI
17AQI
19AQI
38AQI
48AQI
50AQI
No. of days
202533AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
April17AQI
Most & Least Polluted Years Over the Last 1 Years
Chapais's annual 2025 AQI (33) shows an average percentage change of NaN% (improved AQI) compared to previous years: .