Vallace Du Richelieu, Beloeil, 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
Vallace Du Richelieu, Beloeil, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Vallace Du Richelieu, Beloeil, Quebec, Canada
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
54AQI
22AQI
54AQI
33AQI
In the last 24 hours,
Vallace Du Richelieu's AQI reached its highest point of 54 at 2 PM during the Day, while the lowest point, 22, was recorded at 8 AM during the Day between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Vallace Du Richelieu, Beloeil, Quebec, Canada
21°C13/30°C
19°C11/27°C
15°C12/17°C
15°C9/21°C
15°C8/22°C
15°C5/25°C
17°C8/25°C
16°C11/23°C
14°C6/21°C
16°C10/26°C
18°C13/23°C
17°C9/24°C
17°C10/25°C
18°C9/29°C
20°C10/30°C
14°C9/19°C
10°C3/18°C
13°C4/25°C
18°C11/25°C
18°C16/21°C
17°C14/24°C
17°C16/18°C
18°C14/22°C
15°C9/22°C
19°C14/28°C
19°C11/28°C
16°C11/21°C
12°C6/19°C
11°C3/19°C
14°C4/23°C
--°C/°C
28AQI
24AQI
29AQI
25AQI
2025 Days Vs Air Quality
Vallace Du Richelieu, Beloeil, Quebec, Canada
93%
256
7%
20
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 277 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
Vallace Du Richelieu, Beloeil, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
20AQI
19AQI
20AQI
21AQI
21AQI
19AQI
19AQI
20AQI
21AQI
34AQI
27AQI
49AQI
26AQI
23AQI
26AQI
53AQI
39AQI
23AQI
20AQI
29AQI
40AQI
38AQI
41AQI
43AQI
36AQI
28AQI
25AQI
29AQI
24AQI
42AQI
22AQI
36AQI
52AQI
26AQI
22AQI
37AQI
31AQI
24AQI
28AQI
24AQI
26AQI
26AQI
24AQI
22AQI
23AQI
23AQI
21AQI
20AQI
19AQI
22AQI
20AQI
24AQI
49AQI
46AQI
50AQI
39AQI
30AQI
24AQI
22AQI
21AQI
32AQI
30AQI
45AQI
20AQI
23AQI
25AQI
24AQI
26AQI
34AQI
22AQI
29AQI
49AQI
40AQI
36AQI
18AQI
21AQI
24AQI
20AQI
17AQI
18AQI
17AQI
19AQI
22AQI
20AQI
18AQI
20AQI
20AQI
20AQI
23AQI
19AQI
18AQI
19AQI
20AQI
20AQI
18AQI
20AQI
20AQI
17AQI
19AQI
25AQI
28AQI
20AQI
26AQI
19AQI
14AQI
17AQI
22AQI
32AQI
15AQI
16AQI
17AQI
14AQI
17AQI
18AQI
18AQI
12AQI
17AQI
21AQI
15AQI
16AQI
21AQI
16AQI
20AQI
17AQI
17AQI
15AQI
14AQI
15AQI
17AQI
15AQI
19AQI
24AQI
27AQI
22AQI
29AQI
27AQI
19AQI
13AQI
13AQI
16AQI
14AQI
13AQI
12AQI
15AQI
20AQI
23AQI
26AQI
25AQI
20AQI
24AQI
12AQI
15AQI
21AQI
36AQI
39AQI
52AQI
58AQI
57AQI
58AQI
34AQI
44AQI
55AQI
26AQI
25AQI
31AQI
35AQI
36AQI
22AQI
30AQI
21AQI
27AQI
29AQI
36AQI
47AQI
38AQI
25AQI
27AQI
22AQI
24AQI
25AQI
29AQI
25AQI
36AQI
22AQI
23AQI
32AQI
42AQI
27AQI
34AQI
36AQI
34AQI
45AQI
34AQI
32AQI
39AQI
51AQI
49AQI
21AQI
26AQI
32AQI
30AQI
18AQI
21AQI
26AQI
34AQI
50AQI
56AQI
54AQI
52AQI
57AQI
46AQI
22AQI
31AQI
59AQI
73AQI
38AQI
31AQI
34AQI
52AQI
58AQI
60AQI
56AQI
56AQI
51AQI
41AQI
21AQI
33AQI
26AQI
15AQI
19AQI
20AQI
22AQI
32AQI
32AQI
28AQI
25AQI
14AQI
18AQI
22AQI
19AQI
17AQI
21AQI
33AQI
33AQI
31AQI
25AQI
28AQI
26AQI
22AQI
19AQI
23AQI
27AQI
33AQI
23AQI
30AQI
35AQI
27AQI
34AQI
29AQI
25AQI
17AQI
16AQI
21AQI
18AQI
25AQI
25AQI
18AQI
21AQI
24AQI
34AQI
29AQI
28AQI
24AQI
35AQI
42AQI
29AQI
29AQI
25AQI
19AQI
19AQI
34AQI
36AQI
34AQI
26AQI
34AQI
No. of days
202528AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
May19AQI
202425AQI
Highest AQI recorded in
December32AQI
Lowest AQI recorded in
April21AQI
202333AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
November25AQI
202230AQI
Highest AQI recorded in
January40AQI
Lowest AQI recorded in
August20AQI
202132AQI
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
September20AQI
202028AQI
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Vallace Du Richelieu's annual 2025 AQI (28) shows an average percentage change of -5.5% (improved AQI) compared to previous years: 2020 (28), 2021 (32), 2022 (30), 2023 (33), 2024 (25).