Rue Despres, Longueuil, 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
Rue Despres, Longueuil, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 73 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Rue Despres, Longueuil, Quebec, Canada
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
126AQI
58AQI
75AQI
46AQI
In the last 24 hours,
Rue Despres's AQI reached its highest point of 126 at 2 PM during the Day, while the lowest point, 46, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Rue Despres, Longueuil, Quebec, Canada
27°C20/37°C
18°C15/23°C
22°C16/30°C
23°C16/31°C
24°C18/30°C
25°C18/32°C
26°C19/34°C
26°C23/31°C
26°C22/34°C
26°C19/34°C
28°C21/35°C
27°C18/31°C
20°C14/28°C
22°C15/30°C
21°C17/29°C
19°C14/24°C
19°C11/24°C
21°C12/29°C
26°C17/35°C
26°C23/31°C
24°C15/33°C
24°C18/31°C
27°C20/33°C
25°C21/29°C
24°C19/29°C
19°C15/24°C
18°C10/26°C
21°C12/30°C
24°C15/33°C
22°C17/27°C
--°C/°C
43AQI
43AQI
42AQI
42AQI
2025 Days Vs Air Quality
Rue Despres, Longueuil, Quebec, Canada
90%
118
10%
13
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 217 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
Rue Despres, Longueuil, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
21AQI
20AQI
23AQI
30AQI
17AQI
19AQI
20AQI
20AQI
20AQI
19AQI
19AQI
21AQI
18AQI
26AQI
33AQI
39AQI
26AQI
33AQI
27AQI
15AQI
17AQI
25AQI
43AQI
16AQI
20AQI
21AQI
15AQI
24AQI
22AQI
24AQI
14AQI
24AQI
31AQI
17AQI
17AQI
25AQI
16AQI
32AQI
20AQI
21AQI
17AQI
16AQI
16AQI
25AQI
17AQI
23AQI
35AQI
37AQI
30AQI
44AQI
42AQI
21AQI
14AQI
14AQI
19AQI
16AQI
15AQI
13AQI
16AQI
24AQI
27AQI
34AQI
34AQI
26AQI
33AQI
14AQI
17AQI
26AQI
41AQI
43AQI
53AQI
58AQI
58AQI
59AQI
45AQI
51AQI
56AQI
29AQI
29AQI
30AQI
45AQI
44AQI
25AQI
37AQI
23AQI
26AQI
29AQI
40AQI
50AQI
47AQI
29AQI
28AQI
28AQI
30AQI
32AQI
34AQI
31AQI
36AQI
26AQI
27AQI
39AQI
43AQI
32AQI
43AQI
47AQI
50AQI
53AQI
43AQI
40AQI
40AQI
47AQI
46AQI
23AQI
33AQI
39AQI
32AQI
19AQI
24AQI
33AQI
37AQI
47AQI
55AQI
57AQI
54AQI
61AQI
47AQI
24AQI
31AQI
53AQI
73AQI
23AQI
23AQI
24AQI
37AQI
40AQI
45AQI
No. of days
202531AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
March23AQI
Most & Least Polluted Years Over the Last 1 Years
Rue Despres's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .