Laval, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Laval, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (25th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 25th Jul - 26th Jul 2026
Laval, Quebec, Canada
5 AM25th Jul 2026
8 PM
4 AM26th Jul 2026
47AQI
23AQI
50AQI
28AQI
In the last 24 hours,
Laval's AQI reached its highest point of 50 at 1 AM during the Night, while the lowest point, 23, was recorded at 5 PM during the Day between 25th Jul and 26th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Laval, Quebec, Canada
20°C14/27°C
22°C14/29°C
24°C15/32°C
24°C16/33°C
26°C22/36°C
27°C22/35°C
26°C21/32°C
23°C19/27°C
22°C15/30°C
23°C16/32°C
25°C18/32°C
25°C18/32°C
23°C20/29°C
22°C18/28°C
22°C15/29°C
23°C15/31°C
23°C16/31°C
26°C20/34°C
25°C19/30°C
22°C16/27°C
20°C13/29°C
18°C17/21°C
19°C14/25°C
21°C13/30°C
22°C17/30°C
19°C15/22°C
19°C11/28°C
21°C14/28°C
23°C15/33°C
25°C17/32°C
34AQI
31AQI
35AQI
29AQI
2026 Days Vs Air Quality
Laval, Quebec, Canada
93%
189
7%
14
Total number of days with different AQI categories in last 207 days in 2026 (158 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 207 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
Laval, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI (US)
42AQI (US)
22AQI (US)
54AQI (US)
44AQI (US)
57AQI (US)
58AQI (US)
64AQI (US)
41AQI (US)
16AQI (US)
17AQI (US)
16AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
14AQI (US)
39AQI (US)
37AQI (US)
46AQI (US)
22AQI (US)
22AQI (US)
48AQI (US)
54AQI (US)
48AQI (US)
46AQI (US)
48AQI (US)
44AQI (US)
46AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
47AQI (US)
50AQI (US)
50AQI (US)
54AQI (US)
49AQI (US)
40AQI (US)
38AQI (US)
44AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
44AQI (US)
51AQI (US)
50AQI (US)
41AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
40AQI (US)
42AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
42AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
53AQI (US)
46AQI (US)
45AQI (US)
42AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
40AQI (US)
34AQI (US)
44AQI (US)
41AQI (US)
40AQI (US)
36AQI (US)
36AQI (US)
37AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
36AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
29AQI (US)
30AQI (US)
35AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
32AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
32AQI (US)
28AQI (US)
33AQI (US)
32AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
23AQI (US)
28AQI (US)
31AQI (US)
34AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
21AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
45AQI (US)
53AQI (US)
56AQI (US)
58AQI (US)
55AQI (US)
50AQI (US)
45AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
46AQI (US)
29AQI (US)
26AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
25AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
41AQI (US)
38AQI (US)
35AQI (US)
48AQI (US)
42AQI (US)
40AQI (US)
42AQI (US)
28AQI (US)
28AQI (US)
29AQI (US)
39AQI (US)
39AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
33AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
December37AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
202334AQI (US)
Highest AQI (US) recorded in
June57AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
January47AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202029AQI (US)
Highest AQI (US) recorded in
November38AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Laval's annual 2026 AQI (US) (35) shows an average percentage change of 12.07% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (32), 2022 (32), 2023 (34), 2024 (29), 2025 (32).