Chapais, Chapais, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Chapais, Chapais, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 38 of Good air quality on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Chapais, Chapais, Quebec, Canada
6 AM28th Sep 2026
7 PM
5 AM29th Sep 2026
46AQI
14AQI
54AQI
21AQI
In the last 24 hours,
Chapais's AQI reached its highest point of 54 at 4 AM during the Night, while the lowest point, 14, was recorded at 3 PM during the Day between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Chapais, Chapais, Quebec, Canada
11°C4/18°C
14°C6/22°C
16°C13/20°C
16°C14/18°C
15°C13/18°C
15°C11/20°C
15°C8/22°C
14°C9/20°C
11°C4/17°C
14°C9/18°C
9°C6/16°C
9°C5/14°C
15°C9/21°C
12°C8/17°C
7°C4/9°C
9°C6/13°C
10°C5/14°C
9°C4/14°C
5°C2/8°C
6°C0/11°C
5°C2/9°C
4°C1/7°C
7°C2/12°C
11°C5/17°C
12°C8/18°C
12°C8/17°C
13°C10/18°C
13°C9/19°C
13°C10/18°C
14°C9/19°C
31AQI
24AQI
32AQI
26AQI
2026 Days Vs Air Quality
Chapais, Chapais, Quebec, Canada
91%
245
9%
24
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 272 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
Chapais, Chapais, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
24AQI (US)
13AQI (US)
21AQI (US)
36AQI (US)
37AQI (US)
39AQI (US)
31AQI (US)
20AQI (US)
19AQI (US)
12AQI (US)
12AQI (US)
34AQI (US)
28AQI (US)
21AQI (US)
21AQI (US)
29AQI (US)
23AQI (US)
27AQI (US)
17AQI (US)
26AQI (US)
56AQI (US)
64AQI (US)
58AQI (US)
56AQI (US)
51AQI (US)
38AQI (US)
44AQI (US)
49AQI (US)
51AQI (US)
40AQI (US)
51AQI (US)
55AQI (US)
51AQI (US)
52AQI (US)
57AQI (US)
46AQI (US)
37AQI (US)
40AQI (US)
46AQI (US)
43AQI (US)
38AQI (US)
37AQI (US)
47AQI (US)
44AQI (US)
36AQI (US)
43AQI (US)
44AQI (US)
42AQI (US)
43AQI (US)
39AQI (US)
38AQI (US)
33AQI (US)
34AQI (US)
40AQI (US)
40AQI (US)
35AQI (US)
33AQI (US)
34AQI (US)
35AQI (US)
48AQI (US)
43AQI (US)
46AQI (US)
41AQI (US)
32AQI (US)
46AQI (US)
41AQI (US)
38AQI (US)
34AQI (US)
42AQI (US)
39AQI (US)
41AQI (US)
35AQI (US)
32AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
38AQI (US)
45AQI (US)
42AQI (US)
35AQI (US)
42AQI (US)
36AQI (US)
32AQI (US)
26AQI (US)
27AQI (US)
32AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
32AQI (US)
26AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
29AQI (US)
29AQI (US)
32AQI (US)
28AQI (US)
26AQI (US)
22AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
21AQI (US)
35AQI (US)
36AQI (US)
29AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
45AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
55AQI (US)
51AQI (US)
44AQI (US)
43AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
39AQI (US)
56AQI (US)
32AQI (US)
29AQI (US)
35AQI (US)
28AQI (US)
31AQI (US)
31AQI (US)
39AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
41AQI (US)
52AQI (US)
47AQI (US)
46AQI (US)
39AQI (US)
35AQI (US)
38AQI (US)
50AQI (US)
49AQI (US)
56AQI (US)
55AQI (US)
31AQI (US)
28AQI (US)
52AQI (US)
50AQI (US)
44AQI (US)
42AQI (US)
46AQI (US)
42AQI (US)
44AQI (US)
44AQI (US)
43AQI (US)
44AQI (US)
32AQI (US)
39AQI (US)
40AQI (US)
45AQI (US)
45AQI (US)
44AQI (US)
27AQI (US)
26AQI (US)
33AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
53AQI (US)
54AQI (US)
33AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
35AQI (US)
33AQI (US)
40AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
34AQI (US)
27AQI (US)
31AQI (US)
35AQI (US)
38AQI (US)
33AQI (US)
42AQI (US)
36AQI (US)
28AQI (US)
35AQI (US)
27AQI (US)
40AQI (US)
33AQI (US)
29AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
April17AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Chapais's annual 2026 AQI (US) (34) shows an average percentage change of 17.2% (worsened AQI (US)) compared to previous years: 2025 (29).