Dorval, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Dorval, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Dorval, Quebec, Canada
6 AM27th Sep 2026
7 PM
5 AM28th Sep 2026
51AQI
16AQI
37AQI
13AQI
In the last 24 hours,
Dorval's AQI reached its highest point of 51 at 12 PM during the Day, while the lowest point, 13, was recorded at 5 AM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Dorval, Quebec, Canada
21°C18/25°C
19°C13/27°C
20°C14/29°C
20°C16/26°C
22°C19/28°C
21°C17/25°C
18°C16/23°C
18°C13/24°C
20°C12/29°C
19°C16/23°C
18°C14/22°C
20°C14/24°C
16°C10/22°C
17°C10/24°C
19°C18/22°C
15°C12/18°C
14°C10/18°C
19°C16/24°C
18°C14/23°C
16°C11/20°C
12°C8/17°C
14°C10/19°C
13°C9/16°C
12°C8/17°C
13°C8/19°C
14°C8/21°C
17°C11/23°C
17°C13/22°C
16°C13/19°C
12°C11/16°C
31AQI
23AQI
34AQI
25AQI
2026 Days Vs Air Quality
Dorval, Quebec, Canada
95%
253
5%
14
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 271 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
Dorval, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
25AQI (US)
14AQI (US)
33AQI (US)
35AQI (US)
59AQI (US)
61AQI (US)
64AQI (US)
39AQI (US)
15AQI (US)
13AQI (US)
16AQI (US)
43AQI (US)
36AQI (US)
26AQI (US)
12AQI (US)
35AQI (US)
31AQI (US)
34AQI (US)
21AQI (US)
22AQI (US)
50AQI (US)
54AQI (US)
48AQI (US)
47AQI (US)
48AQI (US)
44AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
45AQI (US)
48AQI (US)
50AQI (US)
51AQI (US)
54AQI (US)
50AQI (US)
41AQI (US)
39AQI (US)
46AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
44AQI (US)
52AQI (US)
50AQI (US)
42AQI (US)
44AQI (US)
45AQI (US)
43AQI (US)
40AQI (US)
43AQI (US)
36AQI (US)
35AQI (US)
40AQI (US)
45AQI (US)
42AQI (US)
36AQI (US)
35AQI (US)
39AQI (US)
42AQI (US)
54AQI (US)
47AQI (US)
45AQI (US)
42AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
41AQI (US)
35AQI (US)
44AQI (US)
42AQI (US)
40AQI (US)
37AQI (US)
36AQI (US)
38AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
37AQI (US)
36AQI (US)
36AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
35AQI (US)
31AQI (US)
28AQI (US)
25AQI (US)
33AQI (US)
33AQI (US)
27AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
29AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
21AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
34AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
46AQI (US)
53AQI (US)
56AQI (US)
58AQI (US)
55AQI (US)
49AQI (US)
45AQI (US)
43AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
29AQI (US)
26AQI (US)
20AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
25AQI (US)
21AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
44AQI (US)
38AQI (US)
36AQI (US)
47AQI (US)
44AQI (US)
39AQI (US)
43AQI (US)
29AQI (US)
25AQI (US)
30AQI (US)
39AQI (US)
39AQI (US)
36AQI (US)
50AQI (US)
39AQI (US)
34AQI (US)
49AQI (US)
41AQI (US)
46AQI (US)
32AQI (US)
38AQI (US)
37AQI (US)
42AQI (US)
34AQI (US)
37AQI (US)
27AQI (US)
28AQI (US)
35AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
32AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
35AQI (US)
38AQI (US)
44AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
33AQI (US)
23AQI (US)
30AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
35AQI (US)
26AQI (US)
27AQI (US)
37AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
35AQI (US)
30AQI (US)
29AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
August40AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
June48AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
202026AQI (US)
Highest AQI (US) recorded in
November32AQI (US)
Lowest AQI (US) recorded in
October21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Dorval's annual 2026 AQI (US) (34) shows an average percentage change of 15.1% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (30), 2022 (29), 2023 (32), 2024 (30), 2025 (31).