What is the air quality trend in Tsawwassen?

Over the past 15 days, Tsawwassen had an average AQI of 50 based on station measurements. The worst day was 2026-05-27 with AQI 73.

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
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	33	7–71	8.2 µg/m³	1.2	19h	13
2026-06-08	58	13–136	17.7 µg/m³	1.3	24h	15
2026-06-07	54	17–154	15.7 µg/m³	1.9	24h	14
2026-06-06	45	14–82	12.5 µg/m³	2.5	24h	14
2026-06-05	58	14–180	19.3 µg/m³	1.3	24h	12
2026-06-04	43	15–127	12.1 µg/m³	1.9	24h	12
2026-06-03	42	18–84	11.2 µg/m³	2.0	24h	14
2026-06-02	48	19–75	12.9 µg/m³	1.7	24h	18
2026-06-01	41	15–87	10.9 µg/m³	1.3	24h	15
2026-05-31	39	14–157	11.1 µg/m³	2.6	24h	14
2026-05-30	54	19–152	15.5 µg/m³	2.1	24h	18
2026-05-29	51	22–108	14.1 µg/m³	2.3	24h	17
2026-05-28	50	15–168	15.0 µg/m³	2.3	24h	18
2026-05-27	73	7–168	25.2 µg/m³	1.8	24h	19
2026-05-26	70	25–161	24.7 µg/m³	2.4	5h	16

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