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 (21st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.
Day & Night AQI Trend: 21st Jul - 22nd Jul 2026
Laval, Quebec, Canada
5 AM21st Jul 2026
8 PM
4 AM22nd Jul 2026
53AQI
29AQI
43AQI
36AQI
In the last 24 hours,
Laval's AQI reached its highest point of 53 at 4 PM during the Day, while the lowest point, 29, was recorded at 9 AM during the Day between 21st Jul and 22nd Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Laval, Quebec, Canada
20°C15/25°C
20°C15/27°C
22°C15/30°C
19°C17/23°C
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
34AQI
30AQI
33AQI
28AQI
2026 Days Vs Air Quality
Laval, Quebec, Canada
93%
185
7%
14
Total number of days with different AQI categories in last 203 days in 2026 (162 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 203 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)
39AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
34AQI (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).