New Westminster, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
New Westminster, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (7th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Oct - 8th Oct 2025
New Westminster, British Columbia, Canada
7 AM7th Oct 2025
7 PM
6 AM8th Oct 2025
50AQI
12AQI
44AQI
12AQI
In the last 24 hours,
New Westminster's AQI reached its highest point of 50 at 5 PM during the Day, while the lowest point, 12, was recorded at 4 AM during the Night between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
New Westminster, British Columbia, Canada
17°C14/22°C
17°C14/22°C
18°C14/23°C
16°C14/19°C
16°C15/19°C
16°C13/19°C
15°C13/17°C
16°C12/22°C
22°C14/31°C
20°C15/24°C
16°C13/21°C
17°C13/24°C
17°C13/21°C
16°C13/21°C
15°C10/23°C
17°C12/24°C
15°C11/21°C
13°C9/18°C
13°C9/18°C
15°C13/20°C
16°C12/21°C
15°C13/16°C
15°C13/19°C
14°C12/19°C
15°C13/20°C
12°C9/16°C
13°C10/18°C
13°C8/19°C
13°C8/19°C
13°C8/20°C
--°C/°C
30AQI
25AQI
29AQI
25AQI
2025 Days Vs Air Quality
New Westminster, British Columbia, Canada
96%
269
4%
11
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 281 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
New Westminster, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
26AQI
28AQI
22AQI
21AQI
26AQI
35AQI
30AQI
25AQI
26AQI
27AQI
30AQI
30AQI
36AQI
35AQI
44AQI
28AQI
28AQI
31AQI
30AQI
48AQI
42AQI
56AQI
33AQI
26AQI
28AQI
30AQI
36AQI
41AQI
52AQI
26AQI
21AQI
23AQI
25AQI
24AQI
26AQI
30AQI
31AQI
55AQI
49AQI
42AQI
25AQI
30AQI
32AQI
26AQI
22AQI
22AQI
28AQI
27AQI
21AQI
20AQI
23AQI
21AQI
19AQI
26AQI
20AQI
23AQI
22AQI
24AQI
26AQI
30AQI
26AQI
24AQI
26AQI
24AQI
31AQI
25AQI
40AQI
32AQI
35AQI
29AQI
24AQI
24AQI
23AQI
20AQI
24AQI
20AQI
22AQI
17AQI
19AQI
17AQI
18AQI
20AQI
20AQI
22AQI
19AQI
16AQI
18AQI
18AQI
19AQI
26AQI
24AQI
26AQI
33AQI
23AQI
23AQI
20AQI
15AQI
17AQI
17AQI
21AQI
19AQI
20AQI
25AQI
22AQI
25AQI
17AQI
21AQI
18AQI
20AQI
16AQI
19AQI
24AQI
27AQI
34AQI
35AQI
38AQI
29AQI
22AQI
25AQI
32AQI
33AQI
15AQI
16AQI
20AQI
24AQI
27AQI
20AQI
24AQI
24AQI
22AQI
23AQI
24AQI
28AQI
22AQI
21AQI
19AQI
14AQI
17AQI
13AQI
17AQI
22AQI
21AQI
20AQI
22AQI
20AQI
19AQI
26AQI
21AQI
20AQI
21AQI
19AQI
20AQI
24AQI
21AQI
25AQI
20AQI
20AQI
26AQI
25AQI
31AQI
33AQI
40AQI
34AQI
25AQI
26AQI
25AQI
20AQI
20AQI
17AQI
22AQI
24AQI
23AQI
28AQI
37AQI
36AQI
27AQI
20AQI
17AQI
20AQI
24AQI
23AQI
20AQI
20AQI
23AQI
24AQI
26AQI
25AQI
22AQI
18AQI
18AQI
23AQI
23AQI
23AQI
17AQI
21AQI
32AQI
37AQI
40AQI
27AQI
24AQI
33AQI
30AQI
32AQI
32AQI
21AQI
23AQI
29AQI
30AQI
34AQI
36AQI
32AQI
25AQI
22AQI
27AQI
44AQI
46AQI
44AQI
17AQI
20AQI
29AQI
32AQI
27AQI
30AQI
20AQI
24AQI
35AQI
14AQI
17AQI
19AQI
24AQI
27AQI
24AQI
31AQI
33AQI
47AQI
49AQI
56AQI
55AQI
56AQI
59AQI
42AQI
46AQI
47AQI
44AQI
74AQI
67AQI
65AQI
67AQI
44AQI
30AQI
43AQI
30AQI
34AQI
27AQI
28AQI
33AQI
22AQI
27AQI
49AQI
27AQI
31AQI
39AQI
36AQI
23AQI
31AQI
37AQI
23AQI
20AQI
17AQI
24AQI
21AQI
13AQI
15AQI
13AQI
29AQI
42AQI
27AQI
19AQI
24AQI
33AQI
27AQI
23AQI
23AQI
22AQI
25AQI
26AQI
34AQI
36AQI
24AQI
No. of days
202528AQI
Highest AQI recorded in
September36AQI
Lowest AQI recorded in
May22AQI
202421AQI
Highest AQI recorded in
December29AQI
Lowest AQI recorded in
February17AQI
202323AQI
Highest AQI recorded in
August34AQI
Lowest AQI recorded in
January16AQI
202217AQI
Highest AQI recorded in
October43AQI
Lowest AQI recorded in
January9AQI
202121AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
December8AQI
202026AQI
Highest AQI recorded in
September57AQI
Lowest AQI recorded in
June19AQI
Most & Least Polluted Years Over the Last 6 Years
New Westminster's annual 2025 AQI (28) shows an average percentage change of 28.6% (worsened AQI) compared to previous years: 2020 (26), 2021 (21), 2022 (17), 2023 (23), 2024 (21).