Tsawwassen, Delta, 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
Tsawwassen, Delta, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (11th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Mar - 11th Mar 2026
Tsawwassen, Delta, British Columbia, Canada
7 AM10th Mar 2026
5 PM
6 AM11th Mar 2026
55AQI
28AQI
49AQI
28AQI
In the last 24 hours,
Tsawwassen's AQI reached its highest point of 55 at 5 PM during the Day, while the lowest point, 28, was recorded at 3 AM during the Night between 10th Mar and 11th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Tsawwassen, Delta, British Columbia, Canada
8°C5/13°C
6°C3/9°C
5°C2/10°C
7°C5/9°C
5°C3/7°C
4°C1/7°C
4°C2/6°C
4°C1/8°C
3°C0/7°C
2°C0/6°C
1°C0/4°C
5°C2/10°C
8°C5/13°C
7°C4/12°C
5°C1/10°C
7°C3/12°C
9°C6/13°C
8°C6/12°C
6°C4/11°C
5°C1/10°C
6°C3/13°C
8°C5/11°C
8°C6/11°C
8°C6/12°C
8°C7/9°C
11°C9/16°C
8°C5/11°C
4°C2/8°C
4°C1/7°C
6°C4/9°C
46AQI
31AQI
37AQI
28AQI
2026 Days Vs Air Quality
Tsawwassen, Delta, British Columbia, Canada
99%
69
1%
1
Total number of days with different AQI categories in last 71 days in 2026 (294 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2026, 99% of 71 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
Tsawwassen, Delta, British Columbia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
37AQI (US)
17AQI (US)
11AQI (US)
20AQI (US)
12AQI (US)
11AQI (US)
12AQI (US)
13AQI (US)
26AQI (US)
24AQI (US)
18AQI (US)
20AQI (US)
16AQI (US)
15AQI (US)
12AQI (US)
16AQI (US)
19AQI (US)
18AQI (US)
18AQI (US)
20AQI (US)
33AQI (US)
38AQI (US)
32AQI (US)
24AQI (US)
27AQI (US)
23AQI (US)
30AQI (US)
52AQI (US)
42AQI (US)
43AQI (US)
47AQI (US)
38AQI (US)
38AQI (US)
33AQI (US)
31AQI (US)
23AQI (US)
24AQI (US)
31AQI (US)
33AQI (US)
47AQI (US)
32AQI (US)
20AQI (US)
41AQI (US)
39AQI (US)
40AQI (US)
39AQI (US)
44AQI (US)
30AQI (US)
34AQI (US)
19AQI (US)
34AQI (US)
34AQI (US)
35AQI (US)
32AQI (US)
29AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
34AQI (US)
17AQI (US)
47AQI (US)
36AQI (US)
34AQI (US)
43AQI (US)
35AQI (US)
39AQI (US)
36AQI (US)
42AQI (US)
23AQI (US)
34AQI (US)
36AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
March36AQI (US)
Lowest AQI (US) recorded in
January23AQI (US)
202524AQI (US)
Highest AQI (US) recorded in
September32AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202418AQI (US)
Highest AQI (US) recorded in
December26AQI (US)
Lowest AQI (US) recorded in
September14AQI (US)
202319AQI (US)
Highest AQI (US) recorded in
August24AQI (US)
Lowest AQI (US) recorded in
January15AQI (US)
202217AQI (US)
Highest AQI (US) recorded in
October31AQI (US)
Lowest AQI (US) recorded in
July10AQI (US)
202120AQI (US)
Highest AQI (US) recorded in
August35AQI (US)
Lowest AQI (US) recorded in
October11AQI (US)
202022AQI (US)
Highest AQI (US) recorded in
September51AQI (US)
Lowest AQI (US) recorded in
June14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tsawwassen's annual 2026 AQI (US) (30) shows an average percentage change of 49.4% (worsened AQI (US)) compared to previous years: 2020 (22), 2021 (20), 2022 (17), 2023 (19), 2024 (18), 2025 (24).