Colwood, 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
Colwood, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (10th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Mar - 10th Mar 2026
Colwood, British Columbia, Canada
7 AM9th Mar 2026
5 PM
6 AM10th Mar 2026
50AQI
18AQI
42AQI
17AQI
In the last 24 hours,
Colwood's AQI reached its highest point of 50 at 7 AM during the Day, while the lowest point, 17, was recorded at 1 AM during the Night between 9th Mar and 10th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Colwood, British Columbia, Canada
5°C3/9°C
6°C4/9°C
5°C2/9°C
5°C2/10°C
6°C4/8°C
4°C1/7°C
3°C1/6°C
3°C0/6°C
2°C0/5°C
2°C0/5°C
1°C-1/3°C
0°C-4/4°C
4°C1/7°C
7°C4/12°C
6°C4/10°C
4°C1/9°C
5°C1/9°C
7°C6/9°C
6°C5/10°C
5°C1/9°C
6°C1/12°C
6°C2/12°C
8°C5/11°C
8°C6/11°C
7°C4/11°C
7°C6/9°C
10°C9/11°C
7°C3/10°C
2°C0/7°C
3°C0/6°C
46AQI
35AQI
39AQI
28AQI
2026 Days Vs Air Quality
Colwood, British Columbia, Canada
97%
67
3%
2
Total number of days with different AQI categories in last 70 days in 2026 (295 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 70 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
Colwood, British Columbia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI (US)
45AQI (US)
22AQI (US)
18AQI (US)
24AQI (US)
17AQI (US)
12AQI (US)
14AQI (US)
26AQI (US)
32AQI (US)
25AQI (US)
24AQI (US)
20AQI (US)
16AQI (US)
19AQI (US)
27AQI (US)
36AQI (US)
37AQI (US)
32AQI (US)
35AQI (US)
37AQI (US)
47AQI (US)
54AQI (US)
50AQI (US)
47AQI (US)
46AQI (US)
42AQI (US)
47AQI (US)
52AQI (US)
46AQI (US)
44AQI (US)
50AQI (US)
50AQI (US)
50AQI (US)
49AQI (US)
48AQI (US)
40AQI (US)
38AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
37AQI (US)
21AQI (US)
39AQI (US)
38AQI (US)
38AQI (US)
39AQI (US)
45AQI (US)
34AQI (US)
36AQI (US)
20AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
39AQI (US)
30AQI (US)
35AQI (US)
33AQI (US)
38AQI (US)
34AQI (US)
40AQI (US)
17AQI (US)
47AQI (US)
37AQI (US)
33AQI (US)
42AQI (US)
35AQI (US)
39AQI (US)
33AQI (US)
34AQI (US)
39AQI (US)
36AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
January36AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
December32AQI (US)
Lowest AQI (US) recorded in
September8AQI (US)
202325AQI (US)
Highest AQI (US) recorded in
November36AQI (US)
Lowest AQI (US) recorded in
April19AQI (US)
202225AQI (US)
Highest AQI (US) recorded in
October35AQI (US)
Lowest AQI (US) recorded in
July11AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
January36AQI (US)
Lowest AQI (US) recorded in
July17AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
September63AQI (US)
Lowest AQI (US) recorded in
June14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Colwood's annual 2026 AQI (US) (36) shows an average percentage change of 42.1% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (25), 2022 (25), 2023 (25), 2024 (23), 2025 (28).