Duncan College Street, Duncan, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Duncan College Street, Duncan, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (14th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Mar - 14th Mar 2026
Duncan College Street, Duncan, British Columbia, Canada
7 AM13th Mar 2026
6 PM
6 AM14th Mar 2026
42AQI
8AQI
47AQI
32AQI
In the last 24 hours,
Duncan College Street's AQI reached its highest point of 47 at 9 PM during the Night, while the lowest point, 8, was recorded at 10 AM during the Day between 13th Mar and 14th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Duncan College Street, Duncan, British Columbia, Canada
7°C5/10°C
5°C2/8°C
4°C2/8°C
4°C2/7°C
3°C1/6°C
4°C2/7°C
2°C0/5°C
2°C-1/5°C
6°C4/8°C
8°C5/13°C
7°C4/11°C
5°C3/10°C
6°C3/12°C
8°C6/12°C
8°C5/13°C
6°C3/12°C
6°C2/13°C
7°C2/13°C
8°C5/13°C
9°C7/13°C
8°C5/12°C
8°C7/9°C
11°C8/16°C
8°C4/12°C
3°C2/9°C
4°C1/6°C
6°C3/13°C
5°C3/9°C
4°C2/7°C
5°C1/10°C
45AQI
33AQI
39AQI
28AQI
2026 Days Vs Air Quality
Duncan College Street, Duncan, British Columbia, Canada
95%
69
5%
4
Total number of days with different AQI categories in last 74 days in 2026 (291 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 74 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
Duncan College Street, Duncan, British Columbia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
65AQI (US)
65AQI (US)
32AQI (US)
19AQI (US)
25AQI (US)
17AQI (US)
16AQI (US)
17AQI (US)
21AQI (US)
30AQI (US)
15AQI (US)
14AQI (US)
12AQI (US)
15AQI (US)
15AQI (US)
21AQI (US)
34AQI (US)
38AQI (US)
39AQI (US)
32AQI (US)
47AQI (US)
47AQI (US)
52AQI (US)
48AQI (US)
43AQI (US)
42AQI (US)
41AQI (US)
45AQI (US)
51AQI (US)
44AQI (US)
44AQI (US)
47AQI (US)
39AQI (US)
48AQI (US)
44AQI (US)
45AQI (US)
38AQI (US)
37AQI (US)
40AQI (US)
36AQI (US)
47AQI (US)
43AQI (US)
20AQI (US)
41AQI (US)
38AQI (US)
41AQI (US)
37AQI (US)
45AQI (US)
33AQI (US)
36AQI (US)
18AQI (US)
36AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
36AQI (US)
37AQI (US)
30AQI (US)
17AQI (US)
46AQI (US)
36AQI (US)
32AQI (US)
42AQI (US)
34AQI (US)
37AQI (US)
35AQI (US)
40AQI (US)
41AQI (US)
36AQI (US)
35AQI (US)
34AQI (US)
37AQI (US)
36AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
November43AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
January47AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
November52AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
November54AQI (US)
Lowest AQI (US) recorded in
June15AQI (US)
202128AQI (US)
Highest AQI (US) recorded in
November37AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
September61AQI (US)
Lowest AQI (US) recorded in
June13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Duncan College Street's annual 2026 AQI (US) (35) shows an average percentage change of 15.09% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (28), 2022 (34), 2023 (35), 2024 (29), 2025 (31).