What is the air quality trend in Tillsonburg?

Over the past 15 days, Tillsonburg had an average AQI of 55 based on station measurements. The worst day was 2026-05-28 with AQI 80.

How is Tillsonburg air quality measured?

Air quality in Tillsonburg 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 Tillsonburg, Canada

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

260h

PM2.5 Station

260h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	17	1–38	4.1 µg/m³	5h	1
2026-06-08	74	9–239	31.3 µg/m³	19h	2
2026-06-07	64	5–150	20.5 µg/m³	17h	2
2026-06-06	41	11–87	11.3 µg/m³	17h	2
2026-06-05	37	13–77	9.5 µg/m³	21h	2
2026-06-04	48	7–154	14.8 µg/m³	21h	2
2026-06-03	61	13–151	18.9 µg/m³	17h	2
2026-06-02	44	5–168	14.0 µg/m³	21h	2
2026-06-01	60	3–151	18.9 µg/m³	17h	2
2026-05-31	46	13–102	13.7 µg/m³	17h	1
2026-05-30	64	20–154	20.4 µg/m³	17h	2
2026-05-29	52	10–109	15.9 µg/m³	15h	2
2026-05-28	80	3–500	45.6 µg/m³	19h	2
2026-05-27	68	17–161	22.1 µg/m³	23h	2
2026-05-26	76	18–199	30.0 µg/m³	14h	2

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