What is the air quality trend in Leamington?

Over the past 8 days, Leamington had an average AQI of 112 based on station measurements. The worst day was 2026-07-16 with AQI 231.

How is Leamington air quality measured?

Air quality in Leamington 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 Leamington, Canada

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	78	64–102	24.9 µg/m³	50.1	22h	10
2026-07-20	75	57–106	23.4 µg/m³	48.5	24h	11
2026-07-19	84	63–108	27.8 µg/m³	63.5	24h	12
2026-07-18	92	35–197	38.4 µg/m³	63.5	24h	12
2026-07-17	220	162–286	161.8 µg/m³	275.2	24h	13
2026-07-16	231	170–324	174.8 µg/m³	359.6	24h	11
2026-07-15	62	44–153	17.4 µg/m³	23.7	24h	10
2026-07-14	54	51–57	13.4 µg/m³	18.8	3h	8

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