North Delta, Surrey, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
North Delta, Surrey, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
North Delta, Surrey, British Columbia, Canada
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
24AQI
12AQI
25AQI
19AQI
In the last 24 hours,
North Delta's AQI reached its highest point of 25 at 12 AM during the Night, while the lowest point, 12, was recorded at 4 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
North Delta, Surrey, British Columbia, Canada
17°C12/23°C
16°C13/21°C
19°C13/24°C
21°C15/27°C
20°C16/24°C
17°C16/20°C
18°C14/22°C
19°C14/24°C
20°C16/26°C
21°C16/30°C
20°C17/24°C
25°C17/32°C
23°C18/30°C
23°C19/29°C
17°C15/18°C
15°C13/16°C
17°C13/21°C
18°C14/23°C
17°C15/18°C
20°C15/26°C
17°C15/20°C
15°C13/16°C
17°C14/20°C
18°C13/24°C
19°C14/26°C
21°C16/29°C
22°C16/30°C
20°C17/24°C
19°C15/24°C
17°C15/21°C
--°C/°C
24AQI
24AQI
24AQI
24AQI
2025 Days Vs Air Quality
North Delta, Surrey, British Columbia, Canada
99%
212
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 215 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
North Delta, Surrey, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
25AQI
25AQI
21AQI
19AQI
25AQI
33AQI
29AQI
26AQI
24AQI
24AQI
29AQI
29AQI
36AQI
38AQI
42AQI
28AQI
27AQI
31AQI
29AQI
48AQI
41AQI
55AQI
34AQI
26AQI
31AQI
34AQI
39AQI
43AQI
54AQI
26AQI
18AQI
20AQI
20AQI
22AQI
24AQI
25AQI
29AQI
54AQI
48AQI
40AQI
23AQI
28AQI
29AQI
33AQI
33AQI
21AQI
29AQI
27AQI
19AQI
19AQI
20AQI
18AQI
16AQI
23AQI
17AQI
22AQI
21AQI
24AQI
28AQI
30AQI
26AQI
21AQI
22AQI
21AQI
24AQI
21AQI
36AQI
31AQI
34AQI
27AQI
23AQI
23AQI
23AQI
20AQI
23AQI
20AQI
22AQI
17AQI
18AQI
16AQI
17AQI
21AQI
20AQI
21AQI
17AQI
15AQI
15AQI
16AQI
17AQI
22AQI
21AQI
26AQI
30AQI
23AQI
21AQI
17AQI
15AQI
14AQI
15AQI
16AQI
17AQI
18AQI
24AQI
22AQI
26AQI
18AQI
20AQI
19AQI
19AQI
16AQI
18AQI
24AQI
26AQI
39AQI
34AQI
35AQI
25AQI
18AQI
21AQI
32AQI
31AQI
14AQI
15AQI
17AQI
20AQI
23AQI
17AQI
22AQI
22AQI
18AQI
20AQI
22AQI
21AQI
22AQI
21AQI
17AQI
13AQI
18AQI
11AQI
15AQI
17AQI
17AQI
19AQI
21AQI
16AQI
17AQI
23AQI
17AQI
18AQI
18AQI
18AQI
20AQI
22AQI
17AQI
20AQI
18AQI
18AQI
22AQI
23AQI
29AQI
30AQI
35AQI
28AQI
22AQI
24AQI
21AQI
19AQI
17AQI
16AQI
20AQI
20AQI
21AQI
26AQI
38AQI
34AQI
22AQI
16AQI
16AQI
18AQI
21AQI
21AQI
20AQI
18AQI
20AQI
29AQI
25AQI
22AQI
20AQI
15AQI
17AQI
23AQI
19AQI
19AQI
18AQI
22AQI
34AQI
34AQI
37AQI
25AQI
23AQI
28AQI
26AQI
27AQI
24AQI
18AQI
23AQI
28AQI
29AQI
31AQI
31AQI
27AQI
20AQI
19AQI
22AQI
32AQI
26AQI
22AQI
22AQI
19AQI
22AQI
24AQI
20AQI
No. of days
202524AQI
Highest AQI recorded in
January32AQI
Lowest AQI recorded in
May19AQI
202421AQI
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
June17AQI
202323AQI
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
January17AQI
202218AQI
Highest AQI recorded in
October46AQI
Lowest AQI recorded in
January9AQI
202121AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
December8AQI
202028AQI
Highest AQI recorded in
September61AQI
Lowest AQI recorded in
June18AQI
Most & Least Polluted Years Over the Last 6 Years
North Delta's annual 2025 AQI (24) shows an average percentage change of 9.1% (worsened AQI) compared to previous years: 2020 (28), 2021 (21), 2022 (18), 2023 (23), 2024 (21).