Mayne Island, 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
Mayne Island, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 25 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Mayne Island, British Columbia, Canada
6 AM29th Sep 2025
7 PM
5 AM30th Sep 2025
18AQI
8AQI
17AQI
10AQI
In the last 24 hours,
Mayne Island's AQI reached its highest point of 18 at 1 PM during the Day, while the lowest point, 8, was recorded at 11 AM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Mayne Island, British Columbia, Canada
17°C15/20°C
17°C15/19°C
17°C14/22°C
19°C16/25°C
18°C16/20°C
18°C14/22°C
17°C16/19°C
17°C15/19°C
16°C15/18°C
16°C15/18°C
16°C14/20°C
15°C13/17°C
15°C14/17°C
14°C12/17°C
15°C14/19°C
15°C12/17°C
16°C12/19°C
18°C15/21°C
16°C14/19°C
16°C14/18°C
15°C12/21°C
16°C13/21°C
15°C10/21°C
16°C11/24°C
16°C11/22°C
13°C8/19°C
15°C10/22°C
15°C12/20°C
15°C12/20°C
14°C12/16°C
--°C/°C
35AQI
32AQI
35AQI
35AQI
2025 Days Vs Air Quality
Mayne Island, British Columbia, Canada
96%
180
4%
8
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 273 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
Mayne Island, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
16AQI
15AQI
16AQI
18AQI
18AQI
19AQI
20AQI
25AQI
29AQI
29AQI
25AQI
17AQI
13AQI
14AQI
16AQI
15AQI
17AQI
18AQI
22AQI
20AQI
23AQI
18AQI
20AQI
20AQI
17AQI
16AQI
17AQI
19AQI
24AQI
35AQI
30AQI
31AQI
25AQI
19AQI
19AQI
28AQI
30AQI
15AQI
15AQI
17AQI
21AQI
22AQI
18AQI
20AQI
23AQI
20AQI
18AQI
22AQI
22AQI
21AQI
19AQI
16AQI
13AQI
17AQI
12AQI
14AQI
16AQI
17AQI
19AQI
22AQI
18AQI
17AQI
22AQI
17AQI
21AQI
19AQI
18AQI
20AQI
20AQI
17AQI
18AQI
18AQI
18AQI
21AQI
23AQI
29AQI
32AQI
35AQI
29AQI
23AQI
24AQI
23AQI
19AQI
17AQI
16AQI
18AQI
19AQI
20AQI
25AQI
38AQI
35AQI
23AQI
18AQI
17AQI
18AQI
20AQI
20AQI
19AQI
19AQI
20AQI
26AQI
24AQI
21AQI
21AQI
16AQI
17AQI
22AQI
19AQI
19AQI
18AQI
22AQI
31AQI
35AQI
35AQI
28AQI
25AQI
27AQI
26AQI
27AQI
25AQI
21AQI
23AQI
28AQI
29AQI
31AQI
31AQI
25AQI
21AQI
22AQI
28AQI
42AQI
41AQI
43AQI
17AQI
20AQI
25AQI
28AQI
21AQI
23AQI
19AQI
24AQI
29AQI
12AQI
16AQI
20AQI
24AQI
22AQI
23AQI
25AQI
29AQI
37AQI
43AQI
53AQI
54AQI
53AQI
56AQI
45AQI
48AQI
48AQI
42AQI
69AQI
56AQI
62AQI
61AQI
43AQI
31AQI
38AQI
29AQI
32AQI
26AQI
27AQI
35AQI
22AQI
26AQI
44AQI
27AQI
28AQI
36AQI
33AQI
25AQI
32AQI
37AQI
19AQI
19AQI
21AQI
20AQI
25AQI
17AQI
21AQI
19AQI
22AQI
24AQI
31AQI
35AQI
No. of days
202525AQI
Highest AQI recorded in
September35AQI
Lowest AQI recorded in
March17AQI
Most & Least Polluted Years Over the Last 1 Years
Mayne Island's annual 2025 AQI (25) shows an average percentage change of NaN% (improved AQI) compared to previous years: .