What is the air quality trend in Clairlea-Birchmount?

Over the past 8 days, Clairlea-Birchmount had an average AQI of 52 based on station measurements. The worst day was 2026-05-25 with AQI 69.

How is Clairlea-Birchmount air quality measured?

Air quality in Clairlea-Birchmount 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 Clairlea-Birchmount, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Clairlea-Birchmount, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 12 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	49	27–125	14.3 µg/m³	2.0	7h	11
2026-05-29	46	16–101	12.8 µg/m³	12.1	24h	13
2026-05-28	42	18–101	11.3 µg/m³	1.6	24h	12
2026-05-27	53	25–129	14.8 µg/m³	6.1	24h	14
2026-05-26	51	18–114	14.5 µg/m³	6.0	24h	12
2026-05-25	69	25–153	21.4 µg/m³	11.2	24h	14
2026-05-24	45	11–93	12.2 µg/m³	7.1	24h	13
2026-05-23	66	38–92	19.6 µg/m³	3.0	17h	15

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