What is the air quality trend in Owen Sound?

Over the past 15 days, Owen Sound had an average AQI of 52 based on station measurements. The worst day was 2026-05-27 with AQI 84.

How is Owen Sound air quality measured?

Air quality in Owen Sound 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 Owen Sound, Canada

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

196h

PM2.5 Station

196h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	35	30–40	8.3 µg/m³	4h	1
2026-06-08	59	3–161	20.1 µg/m³	16h	1
2026-06-07	46	12–93	13.1 µg/m³	12h	1
2026-06-06	58	9–199	23.1 µg/m³	14h	1
2026-06-05	38	4–137	11.6 µg/m³	13h	1
2026-06-04	45	7–120	13.1 µg/m³	14h	1
2026-06-03	39	14–88	10.3 µg/m³	13h	1
2026-06-02	48	17–120	14.3 µg/m³	16h	1
2026-06-01	48	9–167	17.5 µg/m³	11h	1
2026-05-31	53	10–157	17.6 µg/m³	13h	1
2026-05-30	60	10–155	19.4 µg/m³	13h	1
2026-05-29	47	9–102	13.3 µg/m³	13h	1
2026-05-28	70	8–132	22.0 µg/m³	16h	1
2026-05-27	84	5–169	30.3 µg/m³	17h	1
2026-05-26	54	17–94	15.7 µg/m³	11h	1

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