Trail, 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
Trail, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Trail, British Columbia, Canada
6 AM22nd Sep 2025
7 PM
5 AM23rd Sep 2025
34AQI
19AQI
33AQI
28AQI
In the last 24 hours,
Trail's AQI reached its highest point of 34 at 1 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Trail, British Columbia, Canada
24°C13/35°C
25°C14/36°C
25°C15/36°C
24°C16/33°C
21°C14/29°C
21°C11/31°C
22°C12/31°C
24°C13/35°C
24°C16/34°C
26°C16/38°C
26°C16/38°C
25°C17/33°C
23°C11/32°C
23°C13/33°C
21°C12/30°C
20°C11/29°C
19°C11/28°C
21°C11/31°C
21°C11/31°C
20°C10/28°C
19°C10/28°C
17°C12/24°C
17°C14/22°C
19°C9/28°C
20°C11/30°C
20°C10/30°C
20°C11/31°C
19°C10/29°C
18°C12/22°C
14°C8/23°C
--°C/°C
69AQI
64AQI
69AQI
65AQI
2025 Days Vs Air Quality
Trail, British Columbia, Canada
88%
158
11%
19
2%
3
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 266 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Trail, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
19AQI
16AQI
17AQI
25AQI
22AQI
16AQI
18AQI
21AQI
27AQI
31AQI
36AQI
27AQI
13AQI
14AQI
18AQI
22AQI
16AQI
17AQI
27AQI
26AQI
25AQI
19AQI
25AQI
22AQI
16AQI
14AQI
16AQI
24AQI
29AQI
36AQI
39AQI
37AQI
26AQI
16AQI
17AQI
23AQI
27AQI
33AQI
14AQI
15AQI
20AQI
25AQI
19AQI
22AQI
25AQI
21AQI
17AQI
17AQI
18AQI
17AQI
17AQI
16AQI
13AQI
15AQI
11AQI
12AQI
15AQI
21AQI
27AQI
29AQI
24AQI
17AQI
17AQI
18AQI
14AQI
19AQI
15AQI
13AQI
18AQI
20AQI
25AQI
25AQI
19AQI
21AQI
33AQI
31AQI
39AQI
39AQI
29AQI
22AQI
20AQI
23AQI
35AQI
27AQI
18AQI
23AQI
20AQI
20AQI
32AQI
46AQI
45AQI
25AQI
17AQI
12AQI
17AQI
22AQI
29AQI
30AQI
21AQI
20AQI
28AQI
25AQI
23AQI
25AQI
31AQI
18AQI
20AQI
33AQI
21AQI
25AQI
21AQI
24AQI
30AQI
29AQI
33AQI
25AQI
25AQI
31AQI
33AQI
33AQI
25AQI
19AQI
22AQI
23AQI
24AQI
27AQI
31AQI
45AQI
46AQI
43AQI
44AQI
38AQI
41AQI
23AQI
16AQI
22AQI
27AQI
22AQI
22AQI
33AQI
35AQI
41AQI
22AQI
14AQI
17AQI
22AQI
25AQI
20AQI
26AQI
37AQI
43AQI
46AQI
50AQI
55AQI
57AQI
57AQI
51AQI
58AQI
64AQI
71AQI
77AQI
87AQI
118AQI
149AQI
132AQI
89AQI
68AQI
61AQI
61AQI
70AQI
78AQI
70AQI
45AQI
38AQI
47AQI
46AQI
54AQI
58AQI
59AQI
20AQI
23AQI
19AQI
25AQI
26AQI
35AQI
73AQI
No. of days
202531AQI
Highest AQI recorded in
September73AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 1 Years
Trail's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .