Vancouver, British Columbia, 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
Vancouver, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (25th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 25th Sep - 26th Sep 2025
Vancouver, British Columbia, Canada
6 AM25th Sep 2025
7 PM
5 AM26th Sep 2025
28AQI
18AQI
29AQI
22AQI
In the last 24 hours,
Vancouver's AQI reached its highest point of 29 at 5 AM during the Night, while the lowest point, 18, was recorded at 12 PM during the Day between 25th Sep and 26th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Vancouver, British Columbia, Canada
21°C17/24°C
21°C19/25°C
20°C18/23°C
18°C16/22°C
19°C17/22°C
19°C17/22°C
19°C16/23°C
21°C18/25°C
20°C16/25°C
20°C18/23°C
19°C16/24°C
17°C15/18°C
18°C16/21°C
17°C15/20°C
18°C16/22°C
16°C14/19°C
16°C14/18°C
17°C15/20°C
16°C15/17°C
16°C13/21°C
21°C15/30°C
20°C16/22°C
16°C14/21°C
18°C14/23°C
16°C13/20°C
16°C14/19°C
15°C10/22°C
16°C11/22°C
15°C12/20°C
13°C10/18°C
--°C/°C
39AQI
39AQI
40AQI
40AQI
2025 Days Vs Air Quality
Vancouver, British Columbia, Canada
94%
173
6%
11
Total number of days with different AQI categories in last 269 days in 2025 (96 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 269 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
Vancouver, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
18AQI
16AQI
18AQI
18AQI
19AQI
22AQI
22AQI
27AQI
31AQI
26AQI
26AQI
19AQI
17AQI
17AQI
16AQI
18AQI
20AQI
20AQI
26AQI
23AQI
25AQI
19AQI
23AQI
22AQI
21AQI
16AQI
19AQI
24AQI
27AQI
37AQI
36AQI
40AQI
31AQI
23AQI
25AQI
32AQI
35AQI
16AQI
17AQI
21AQI
25AQI
27AQI
20AQI
24AQI
27AQI
24AQI
23AQI
26AQI
27AQI
25AQI
22AQI
19AQI
14AQI
20AQI
14AQI
16AQI
20AQI
21AQI
24AQI
24AQI
19AQI
18AQI
26AQI
21AQI
21AQI
20AQI
19AQI
21AQI
24AQI
20AQI
23AQI
19AQI
20AQI
26AQI
26AQI
30AQI
33AQI
42AQI
35AQI
26AQI
27AQI
27AQI
21AQI
20AQI
17AQI
23AQI
24AQI
24AQI
28AQI
37AQI
35AQI
27AQI
19AQI
17AQI
21AQI
25AQI
23AQI
21AQI
20AQI
22AQI
22AQI
24AQI
24AQI
22AQI
18AQI
18AQI
24AQI
21AQI
22AQI
17AQI
21AQI
33AQI
37AQI
39AQI
29AQI
26AQI
31AQI
30AQI
31AQI
31AQI
23AQI
24AQI
29AQI
31AQI
34AQI
37AQI
32AQI
24AQI
22AQI
28AQI
45AQI
48AQI
44AQI
18AQI
21AQI
28AQI
31AQI
25AQI
26AQI
20AQI
24AQI
37AQI
13AQI
18AQI
20AQI
26AQI
25AQI
26AQI
28AQI
31AQI
48AQI
53AQI
57AQI
57AQI
58AQI
60AQI
49AQI
51AQI
51AQI
47AQI
71AQI
76AQI
78AQI
75AQI
50AQI
35AQI
46AQI
39AQI
38AQI
31AQI
31AQI
36AQI
22AQI
29AQI
49AQI
29AQI
31AQI
38AQI
37AQI
24AQI
30AQI
37AQI
22AQI
18AQI
24AQI
22AQI
25AQI
26AQI
34AQI
42AQI
No. of days
202528AQI
Highest AQI recorded in
September42AQI
Lowest AQI recorded in
March18AQI
Most & Least Polluted Years Over the Last 1 Years
Vancouver's annual 2025 AQI (28) shows an average percentage change of NaN% (improved AQI) compared to previous years: .