What is the air quality trend in Brantford?

Over the past 8 days, Brantford had an average AQI of 51 based on station measurements. The worst day was 2026-05-25 with AQI 66.

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

168h

PM2.5 Station

168h · 10 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	47	28–88	12.8 µg/m³	3.6	10h	11
2026-05-29	53	12–117	15.5 µg/m³	2.7	24h	13
2026-05-28	48	16–174	15.3 µg/m³	2.8	24h	12
2026-05-27	60	19–162	18.7 µg/m³	5.4	24h	12
2026-05-26	38	14–105	10.0 µg/m³	5.7	24h	10
2026-05-25	66	20–179	22.2 µg/m³	11.2	24h	13
2026-05-24	43	15–87	11.9 µg/m³	3.3	24h	12
2026-05-23	56	7–102	16.3 µg/m³	2.4	14h	12

Back to Brantford Air Quality