What is the air quality trend in Vancouver?

Over the past 8 days, Vancouver had an average AQI of 15 based on station measurements. The worst day was 2026-05-28 with AQI 20.

How is Vancouver air quality measured?

Air quality in Vancouver 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 Vancouver, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Vancouver, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	12	5–17	2.9 µg/m³	15h	19
2026-05-28	20	15–25	4.8 µg/m³	24h	21
2026-05-27	14	10–23	3.4 µg/m³	24h	19
2026-05-26	12	10–15	2.9 µg/m³	24h	21
2026-05-25	18	15–23	4.3 µg/m³	24h	21
2026-05-24	17	12–22	4.0 µg/m³	24h	22
2026-05-23	13	10–16	3.2 µg/m³	24h	21
2026-05-22	18	15–20	4.3 µg/m³	9h	22

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