What is the air quality trend in Brantford?

Over the past 12 days, Brantford had an average AQI of 82 based on station measurements. The worst day was 2026-07-17 with AQI 372.

How is Brantford air quality measured?

Air quality in Brantford 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 Brantford, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

89h

PM2.5 Station

89h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	43	36–50	10.3 µg/m³	2h	1
2026-07-20	61	38–97	18.1 µg/m³	6h	1
2026-07-19	80	38–161	29.8 µg/m³	4h	1
2026-07-18	110	31–185	62.6 µg/m³	4h	1
2026-07-17	372	362–382	339.7 µg/m³	2h	1
2026-07-14	55	55–55	14.0 µg/m³	3h	1
2026-07-13	65	55–68	18.8 µg/m³	8h	1
2026-07-12	57	42–65	15.3 µg/m³	7h	1
2026-07-11	40	25–59	9.7 µg/m³	14h	1
2026-07-10	29	22–43	7.0 µg/m³	15h	1
2026-07-09	37	22–53	8.9 µg/m³	13h	1
2026-07-08	36	21–57	8.8 µg/m³	11h	1

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