Molson, Montreal, 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
Molson, Montreal, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Molson, Montreal, Quebec, Canada
5 AM8th Aug 2025
8 PM
4 AM9th Aug 2025
62AQI
50AQI
59AQI
52AQI
In the last 24 hours,
Molson's AQI reached its highest point of 62 at 9 AM during the Day, while the lowest point, 50, was recorded at 4 PM during the Day between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Molson, Montreal, Quebec, Canada
25°C19/30°C
26°C19/33°C
27°C20/34°C
26°C23/30°C
27°C22/32°C
27°C20/33°C
29°C22/36°C
27°C18/31°C
21°C14/28°C
22°C15/29°C
22°C17/29°C
19°C15/24°C
19°C12/25°C
22°C13/30°C
27°C17/36°C
26°C23/31°C
24°C15/33°C
24°C19/32°C
27°C21/34°C
25°C22/29°C
24°C20/30°C
20°C16/24°C
19°C12/26°C
21°C13/27°C
24°C16/30°C
23°C17/28°C
21°C13/28°C
22°C13/30°C
24°C16/32°C
25°C19/34°C
--°C/°C
43AQI
43AQI
43AQI
43AQI
2025 Days Vs Air Quality
Molson, Montreal, Quebec, Canada
89%
196
11%
23
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 221 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
Molson, Montreal, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
25AQI
22AQI
21AQI
22AQI
25AQI
21AQI
21AQI
21AQI
22AQI
39AQI
30AQI
59AQI
31AQI
22AQI
30AQI
64AQI
46AQI
28AQI
24AQI
36AQI
46AQI
42AQI
44AQI
45AQI
37AQI
24AQI
25AQI
28AQI
24AQI
45AQI
23AQI
35AQI
55AQI
28AQI
22AQI
34AQI
32AQI
26AQI
34AQI
25AQI
28AQI
31AQI
28AQI
21AQI
23AQI
23AQI
21AQI
21AQI
22AQI
30AQI
21AQI
27AQI
52AQI
48AQI
62AQI
64AQI
43AQI
30AQI
26AQI
23AQI
35AQI
38AQI
57AQI
20AQI
22AQI
25AQI
25AQI
30AQI
43AQI
24AQI
44AQI
83AQI
60AQI
51AQI
24AQI
30AQI
37AQI
28AQI
22AQI
25AQI
21AQI
25AQI
25AQI
22AQI
20AQI
21AQI
20AQI
24AQI
31AQI
18AQI
20AQI
21AQI
19AQI
21AQI
18AQI
19AQI
22AQI
18AQI
26AQI
33AQI
39AQI
25AQI
34AQI
28AQI
15AQI
17AQI
27AQI
43AQI
18AQI
21AQI
23AQI
18AQI
22AQI
23AQI
24AQI
15AQI
22AQI
30AQI
18AQI
18AQI
26AQI
17AQI
31AQI
22AQI
22AQI
18AQI
16AQI
19AQI
24AQI
17AQI
23AQI
35AQI
40AQI
31AQI
44AQI
43AQI
22AQI
16AQI
15AQI
18AQI
16AQI
16AQI
14AQI
17AQI
24AQI
26AQI
33AQI
34AQI
26AQI
31AQI
15AQI
18AQI
26AQI
42AQI
43AQI
53AQI
58AQI
58AQI
59AQI
45AQI
51AQI
56AQI
29AQI
29AQI
31AQI
45AQI
45AQI
28AQI
38AQI
24AQI
25AQI
25AQI
39AQI
50AQI
47AQI
30AQI
30AQI
28AQI
31AQI
30AQI
34AQI
30AQI
38AQI
24AQI
27AQI
39AQI
43AQI
32AQI
43AQI
47AQI
50AQI
52AQI
43AQI
41AQI
40AQI
48AQI
47AQI
23AQI
32AQI
39AQI
33AQI
21AQI
24AQI
33AQI
37AQI
48AQI
55AQI
57AQI
55AQI
63AQI
45AQI
23AQI
32AQI
55AQI
78AQI
40AQI
33AQI
40AQI
32AQI
32AQI
32AQI
23AQI
24AQI
38AQI
40AQI
43AQI
No. of days
202532AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
April23AQI
202431AQI
Highest AQI recorded in
August39AQI
Lowest AQI recorded in
November23AQI
202333AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
November26AQI
202230AQI
Highest AQI recorded in
January43AQI
Lowest AQI recorded in
September20AQI
202129AQI
Highest AQI recorded in
February36AQI
Lowest AQI recorded in
September16AQI
202025AQI
Highest AQI recorded in
November33AQI
Lowest AQI recorded in
October19AQI
Most & Least Polluted Years Over the Last 6 Years
Molson's annual 2025 AQI (32) shows an average percentage change of 9.9% (worsened AQI) compared to previous years: 2020 (25), 2021 (29), 2022 (30), 2023 (33), 2024 (31).