Surrey East, Langley, 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
Surrey East, Langley, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Surrey East, Langley, British Columbia, Canada
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
41AQI
18AQI
27AQI
21AQI
In the last 24 hours,
Surrey East's AQI reached its highest point of 41 at 6 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Surrey East, Langley, British Columbia, Canada
25°C17/34°C
24°C17/33°C
22°C17/31°C
22°C16/30°C
20°C15/25°C
21°C19/24°C
20°C15/25°C
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
--°C/°C
41AQI
41AQI
45AQI
41AQI
2025 Days Vs Air Quality
Surrey East, Langley, British Columbia, Canada
95%
251
5%
12
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 265 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
Surrey East, Langley, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
24AQI
25AQI
21AQI
23AQI
28AQI
36AQI
35AQI
33AQI
26AQI
25AQI
28AQI
31AQI
34AQI
39AQI
44AQI
29AQI
30AQI
38AQI
29AQI
51AQI
41AQI
54AQI
39AQI
26AQI
35AQI
36AQI
39AQI
43AQI
56AQI
28AQI
18AQI
20AQI
19AQI
20AQI
22AQI
22AQI
26AQI
54AQI
49AQI
39AQI
22AQI
29AQI
32AQI
28AQI
22AQI
21AQI
27AQI
28AQI
19AQI
19AQI
21AQI
20AQI
16AQI
24AQI
17AQI
21AQI
22AQI
26AQI
31AQI
36AQI
28AQI
22AQI
20AQI
23AQI
22AQI
22AQI
24AQI
25AQI
31AQI
22AQI
19AQI
19AQI
22AQI
19AQI
21AQI
18AQI
23AQI
16AQI
17AQI
16AQI
18AQI
19AQI
19AQI
20AQI
16AQI
15AQI
16AQI
15AQI
16AQI
18AQI
19AQI
20AQI
26AQI
23AQI
24AQI
16AQI
14AQI
14AQI
15AQI
15AQI
18AQI
19AQI
21AQI
23AQI
23AQI
18AQI
21AQI
19AQI
20AQI
15AQI
20AQI
22AQI
28AQI
37AQI
36AQI
36AQI
24AQI
16AQI
20AQI
28AQI
31AQI
14AQI
16AQI
17AQI
19AQI
21AQI
15AQI
21AQI
23AQI
21AQI
20AQI
21AQI
20AQI
22AQI
20AQI
17AQI
13AQI
18AQI
12AQI
14AQI
19AQI
17AQI
19AQI
20AQI
16AQI
16AQI
20AQI
16AQI
19AQI
18AQI
18AQI
20AQI
23AQI
17AQI
20AQI
18AQI
18AQI
20AQI
22AQI
27AQI
29AQI
36AQI
30AQI
22AQI
24AQI
21AQI
18AQI
17AQI
16AQI
18AQI
20AQI
20AQI
25AQI
38AQI
34AQI
24AQI
17AQI
16AQI
19AQI
20AQI
21AQI
18AQI
17AQI
19AQI
25AQI
23AQI
22AQI
19AQI
15AQI
17AQI
22AQI
19AQI
19AQI
18AQI
19AQI
30AQI
35AQI
37AQI
28AQI
25AQI
28AQI
26AQI
27AQI
26AQI
19AQI
22AQI
29AQI
28AQI
31AQI
33AQI
26AQI
20AQI
19AQI
26AQI
42AQI
45AQI
43AQI
18AQI
20AQI
26AQI
29AQI
23AQI
25AQI
20AQI
23AQI
33AQI
12AQI
16AQI
18AQI
23AQI
22AQI
24AQI
26AQI
32AQI
40AQI
46AQI
54AQI
55AQI
55AQI
57AQI
43AQI
46AQI
47AQI
42AQI
69AQI
67AQI
66AQI
65AQI
40AQI
30AQI
44AQI
31AQI
32AQI
24AQI
24AQI
32AQI
21AQI
27AQI
43AQI
25AQI
28AQI
37AQI
34AQI
25AQI
21AQI
21AQI
19AQI
22AQI
24AQI
32AQI
40AQI
No. of days
202526AQI
Highest AQI recorded in
September40AQI
Lowest AQI recorded in
May19AQI
202422AQI
Highest AQI recorded in
December28AQI
Lowest AQI recorded in
January18AQI
202323AQI
Highest AQI recorded in
August34AQI
Lowest AQI recorded in
January18AQI
202247AQI
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
December24AQI
202135AQI
Highest AQI recorded in
September55AQI
Lowest AQI recorded in
February19AQI
202027AQI
Highest AQI recorded in
September63AQI
Lowest AQI recorded in
June17AQI
Most & Least Polluted Years Over the Last 6 Years
Surrey East's annual 2025 AQI (26) shows an average percentage change of -8.7% (improved AQI) compared to previous years: 2020 (27), 2021 (35), 2022 (47), 2023 (23), 2024 (22).