What is the air quality trend in Orangeville?

Over the past 8 days, Orangeville had an average AQI of 86 based on station measurements. The worst day was 2026-07-16 with AQI 133.

How is Orangeville air quality measured?

Air quality in Orangeville 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 Orangeville, Canada

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 9 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	80	45–161	26.7 µg/m³	36.2	20h	5
2026-07-20	40	14–92	10.8 µg/m³	15.2	24h	5
2026-07-19	50	17–90	13.9 µg/m³	22.6	24h	6
2026-07-18	113	26–164	43.6 µg/m³	79.6	24h	5
2026-07-17	117	55–221	52.1 µg/m³	130.0	24h	7
2026-07-16	133	78–238	60.0 µg/m³	152.0	24h	7
2026-07-15	104	35–170	39.2 µg/m³	80.3	24h	7
2026-07-14	52	49–58	13.0 µg/m³	11.2	4h	4

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