What is the air quality trend in Belleville?

Over the past 12 days, Belleville had an average AQI of 43 based on station measurements. The worst day was 2026-07-12 with AQI 75.

How is Belleville air quality measured?

Air quality in Belleville 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 Belleville, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

85h

PM2.5 Station

85h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	42	40–46	10.2 µg/m³	3h	1
2026-07-20	30	11–46	7.2 µg/m³	5h	1
2026-07-19	28	25–38	6.8 µg/m³	4h	1
2026-07-18	62	21–164	25.1 µg/m³	4h	1
2026-07-17	38	34–42	9.1 µg/m³	2h	1
2026-07-14	54	50–57	13.7 µg/m³	3h	1
2026-07-13	53	46–57	13.4 µg/m³	8h	1
2026-07-12	75	26–117	24.5 µg/m³	7h	1
2026-07-11	52	42–61	13.0 µg/m³	13h	1
2026-07-10	28	17–57	7.0 µg/m³	14h	1
2026-07-09	36	26–49	8.6 µg/m³	11h	1
2026-07-08	26	17–38	6.2 µg/m³	11h	1

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