What is the air quality trend in Orangeville?

Over the past 15 days, Orangeville had an average AQI of 50 based on station measurements. The worst day was 2026-05-20 with AQI 71.

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
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	39	23–80	10.5 µg/m³	2.6	9h	8
2026-05-29	48	10–116	13.7 µg/m³	7.4	24h	10
2026-05-28	32	15–90	8.1 µg/m³	2.1	24h	10
2026-05-27	55	15–160	17.0 µg/m³	5.7	24h	10
2026-05-26	38	18–84	9.9 µg/m³	5.8	24h	9
2026-05-25	63	27–158	19.6 µg/m³	11.2	24h	10
2026-05-24	38	15–77	9.6 µg/m³	5.1	24h	10
2026-05-23	60	16–162	18.2 µg/m³	3.1	24h	11
2026-05-22	34	13–76	8.9 µg/m³	4.0	24h	8
2026-05-21	70	23–167	22.8 µg/m³	1.9	24h	11
2026-05-20	71	13–197	26.8 µg/m³	5.9	24h	9
2026-05-19	44	18–126	12.0 µg/m³	7.7	24h	9
2026-05-18	61	31–115	17.6 µg/m³	23.5	24h	8
2026-05-17	64	24–103	19.0 µg/m³	25.0	24h	5
2026-05-16	44	15–80	11.4 µg/m³	12.0	15h	11

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