What is the air quality trend in Tsawwassen?

Over the past 14 days, Tsawwassen had an average AQI of 48 based on station measurements. The worst day was 2026-07-16 with AQI 75.

How is Tsawwassen air quality measured?

Air quality in Tsawwassen is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Tsawwassen, Canada

Name: Tsawwassen Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Tsawwassen, Canada.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	52	31–75	13.7 µg/m³	22.9	24h	18
2026-07-20	43	24–92	10.9 µg/m³	6.1	24h	22
2026-07-19	46	26–74	11.5 µg/m³	3.6	24h	23
2026-07-18	47	27–97	12.2 µg/m³	5.5	24h	20
2026-07-17	62	30–167	20.4 µg/m³	9.1	24h	22
2026-07-16	75	28–175	26.8 µg/m³	8.4	24h	18
2026-07-15	53	32–80	14.2 µg/m³	8.1	24h	17
2026-07-14	49	31–82	12.4 µg/m³	10.1	24h	18
2026-07-13	43	22–113	11.8 µg/m³	1.0	24h	15
2026-07-12	47	17–164	13.7 µg/m³	1.2	24h	14
2026-07-11	52	27–144	14.1 µg/m³	1.5	24h	14
2026-07-10	35	14–58	8.6 µg/m³	1.6	24h	14
2026-07-09	37	7–57	9.0 µg/m³	1.4	24h	15
2026-07-08	41	23–85	10.2 µg/m³	3.1	24h	20

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