Langley Township, 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
Langley Township, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (27th 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: 28th Sep - 29th Sep 2025
Langley Township, British Columbia, Canada
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
49AQI
13AQI
39AQI
13AQI
In the last 24 hours,
Langley Township's AQI reached its highest point of 49 at 10 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Langley Township, British Columbia, Canada
18°C15/23°C
18°C13/23°C
19°C16/22°C
19°C14/25°C
20°C15/27°C
18°C15/27°C
19°C15/24°C
18°C14/26°C
17°C15/19°C
17°C15/21°C
18°C15/23°C
17°C15/23°C
15°C14/18°C
16°C14/18°C
16°C13/21°C
15°C14/16°C
16°C12/23°C
21°C12/31°C
19°C16/23°C
17°C14/23°C
15°C10/23°C
15°C11/21°C
16°C13/21°C
15°C9/22°C
17°C10/25°C
16°C11/23°C
13°C8/18°C
14°C9/19°C
15°C12/21°C
16°C12/22°C
--°C/°C
37AQI
37AQI
39AQI
36AQI
2025 Days Vs Air Quality
Langley Township, British Columbia, Canada
96%
178
4%
8
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 272 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
Langley Township, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
17AQI
15AQI
16AQI
22AQI
17AQI
19AQI
24AQI
25AQI
31AQI
31AQI
30AQI
17AQI
12AQI
14AQI
15AQI
16AQI
18AQI
23AQI
27AQI
26AQI
25AQI
21AQI
27AQI
21AQI
22AQI
18AQI
24AQI
26AQI
35AQI
44AQI
42AQI
42AQI
29AQI
18AQI
22AQI
32AQI
37AQI
15AQI
21AQI
25AQI
21AQI
22AQI
17AQI
23AQI
31AQI
27AQI
22AQI
24AQI
23AQI
24AQI
24AQI
17AQI
14AQI
20AQI
13AQI
14AQI
20AQI
19AQI
23AQI
23AQI
18AQI
17AQI
22AQI
17AQI
19AQI
22AQI
20AQI
22AQI
25AQI
18AQI
22AQI
18AQI
20AQI
25AQI
24AQI
29AQI
32AQI
40AQI
34AQI
25AQI
29AQI
23AQI
20AQI
19AQI
16AQI
19AQI
20AQI
20AQI
26AQI
38AQI
34AQI
22AQI
17AQI
17AQI
20AQI
21AQI
22AQI
19AQI
17AQI
20AQI
25AQI
24AQI
22AQI
19AQI
16AQI
17AQI
23AQI
19AQI
20AQI
18AQI
19AQI
31AQI
38AQI
37AQI
29AQI
28AQI
30AQI
28AQI
29AQI
24AQI
19AQI
23AQI
29AQI
28AQI
31AQI
32AQI
26AQI
22AQI
19AQI
25AQI
40AQI
46AQI
43AQI
17AQI
19AQI
26AQI
28AQI
23AQI
25AQI
19AQI
23AQI
33AQI
12AQI
15AQI
18AQI
23AQI
22AQI
24AQI
26AQI
33AQI
41AQI
49AQI
55AQI
56AQI
54AQI
57AQI
46AQI
47AQI
50AQI
44AQI
69AQI
67AQI
70AQI
66AQI
40AQI
32AQI
45AQI
35AQI
33AQI
25AQI
26AQI
35AQI
22AQI
28AQI
45AQI
29AQI
29AQI
38AQI
36AQI
24AQI
31AQI
41AQI
23AQI
19AQI
22AQI
18AQI
25AQI
21AQI
24AQI
25AQI
32AQI
38AQI
No. of days
202527AQI
Highest AQI recorded in
September38AQI
Lowest AQI recorded in
March18AQI
Most & Least Polluted Years Over the Last 1 Years
Langley Township's annual 2025 AQI (27) shows an average percentage change of NaN% (improved AQI) compared to previous years: .