What is the air quality trend in Saint-Basile-le-Grand?

Over the past 8 days, Saint-Basile-le-Grand had an average AQI of 58 based on station measurements. The worst day was 2026-07-14 with AQI 114.

How is Saint-Basile-le-Grand air quality measured?

Air quality in Saint-Basile-le-Grand 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 Saint-Basile-le-Grand, Canada

Name: Saint-Basile-le-Grand Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Saint-Basile-le-Grand, Canada.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	57	36–87	15.6 µg/m³	20h	1
2026-07-20	42	17–60	10.4 µg/m³	24h	1
2026-07-19	47	10–160	15.9 µg/m³	24h	1
2026-07-18	61	25–173	23.3 µg/m³	24h	1
2026-07-17	20	4–39	4.9 µg/m³	24h	1
2026-07-16	42	6–82	11.1 µg/m³	24h	1
2026-07-15	84	20–152	28.5 µg/m³	24h	1
2026-07-14	114	111–116	40.7 µg/m³	3h	1

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