What is the air quality trend in Tillsonburg?

Over the past 15 days, Tillsonburg had an average AQI of 54 based on station measurements. The worst day was 2026-05-29 with AQI 78.

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

291h

PM2.5 Station

291h · 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	49	30–80	13.9 µg/m³	6h	2
2026-06-08	52	11–153	15.6 µg/m³	21h	3
2026-06-07	48	5–178	16.1 µg/m³	23h	2
2026-06-06	49	12–153	14.4 µg/m³	20h	2
2026-06-05	36	1–102	9.7 µg/m³	18h	2
2026-06-04	39	13–96	10.8 µg/m³	21h	2
2026-06-03	46	10–105	12.5 µg/m³	23h	2
2026-06-02	54	6–126	16.5 µg/m³	22h	2
2026-06-01	44	12–160	12.9 µg/m³	20h	2
2026-05-31	65	20–185	22.9 µg/m³	20h	2
2026-05-30	57	17–159	17.8 µg/m³	22h	2
2026-05-29	78	10–161	26.2 µg/m³	16h	3
2026-05-28	51	6–149	14.8 µg/m³	22h	2
2026-05-27	73	3–302	31.4 µg/m³	20h	2
2026-05-26	76	7–165	25.8 µg/m³	17h	2

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