Verdun, Westmount, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Verdun, Westmount, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (31st October):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 21 of Good air quality on the same day.
Day & Night AQI Trend: 30th Sep - 1st Oct 2026
Verdun, Westmount, Quebec, Canada
6 AM30th Sep 2026
7 PM
5 AM1st Oct 2026
50AQI
21AQI
29AQI
21AQI
In the last 24 hours,
Verdun's AQI reached its highest point of 50 at 3 PM during the Day, while the lowest point, 21, was recorded at 2 AM during the Night between 30th Sep and 1st Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Verdun, Westmount, Quebec, Canada
19°C14/23°C
22°C18/27°C
20°C17/24°C
17°C14/21°C
17°C12/23°C
19°C13/28°C
18°C16/24°C
18°C14/23°C
19°C12/24°C
14°C9/20°C
16°C10/22°C
19°C17/22°C
15°C12/18°C
14°C9/18°C
19°C16/25°C
18°C13/23°C
16°C10/20°C
12°C7/17°C
13°C9/20°C
12°C10/16°C
12°C7/18°C
13°C7/19°C
14°C8/21°C
16°C10/23°C
17°C13/22°C
16°C13/20°C
12°C11/15°C
14°C11/18°C
15°C11/20°C
18°C14/22°C
30AQI
24AQI
33AQI
26AQI
2026 Days Vs Air Quality
Verdun, Westmount, Quebec, Canada
95%
257
5%
13
Total number of days with different AQI categories in last 274 days in 2026 (91 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 274 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
Verdun, Westmount, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
34AQI (US)
27AQI (US)
43AQI (US)
40AQI (US)
63AQI (US)
67AQI (US)
70AQI (US)
44AQI (US)
17AQI (US)
18AQI (US)
20AQI (US)
45AQI (US)
40AQI (US)
33AQI (US)
16AQI (US)
40AQI (US)
35AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
49AQI (US)
53AQI (US)
48AQI (US)
47AQI (US)
47AQI (US)
44AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
44AQI (US)
47AQI (US)
48AQI (US)
49AQI (US)
53AQI (US)
49AQI (US)
40AQI (US)
39AQI (US)
45AQI (US)
45AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
53AQI (US)
50AQI (US)
42AQI (US)
42AQI (US)
46AQI (US)
43AQI (US)
40AQI (US)
43AQI (US)
38AQI (US)
36AQI (US)
41AQI (US)
45AQI (US)
42AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
53AQI (US)
45AQI (US)
45AQI (US)
42AQI (US)
39AQI (US)
39AQI (US)
38AQI (US)
40AQI (US)
34AQI (US)
41AQI (US)
41AQI (US)
40AQI (US)
37AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
31AQI (US)
32AQI (US)
35AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
32AQI (US)
35AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
29AQI (US)
33AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
34AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
34AQI (US)
29AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
22AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
30AQI (US)
24AQI (US)
46AQI (US)
53AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
49AQI (US)
45AQI (US)
45AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
29AQI (US)
25AQI (US)
18AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
20AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
33AQI (US)
35AQI (US)
42AQI (US)
38AQI (US)
34AQI (US)
46AQI (US)
44AQI (US)
40AQI (US)
42AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
51AQI (US)
39AQI (US)
34AQI (US)
50AQI (US)
42AQI (US)
43AQI (US)
31AQI (US)
39AQI (US)
37AQI (US)
41AQI (US)
38AQI (US)
39AQI (US)
27AQI (US)
30AQI (US)
34AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
32AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
21AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
28AQI (US)
32AQI (US)
41AQI (US)
44AQI (US)
29AQI (US)
30AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
23AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
35AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
38AQI (US)
29AQI (US)
40AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
24AQI (US)
35AQI (US)
30AQI (US)
28AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
October40AQI (US)
Lowest AQI (US) recorded in
April22AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202334AQI (US)
Highest AQI (US) recorded in
September48AQI (US)
Lowest AQI (US) recorded in
November26AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
June29AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Verdun's annual 2026 AQI (US) (34) shows an average percentage change of 12.8% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (31), 2022 (31), 2023 (34), 2024 (30), 2025 (33).