What is the air quality trend in La Haute-Saint-Charles?

Over the past 8 days, La Haute-Saint-Charles had an average AQI of 18 based on station measurements. The worst day was 2026-08-30 with AQI 25.

How is La Haute-Saint-Charles air quality measured?

Air quality in La Haute-Saint-Charles 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 La Haute-Saint-Charles, Canada

Name: La Haute-Saint-Charles Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near La Haute-Saint-Charles, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 46 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	14	6–31	3.3 µg/m³	18h	46
2026-09-04	23	11–38	5.6 µg/m³	24h	48
2026-09-03	18	7–48	4.4 µg/m³	24h	45
2026-09-02	18	13–29	4.4 µg/m³	24h	45
2026-09-01	12	10–17	3.0 µg/m³	23h	46
2026-08-31	18	8–45	4.3 µg/m³	24h	47
2026-08-30	25	12–43	5.9 µg/m³	24h	48
2026-08-29	16	14–19	3.9 µg/m³	4h	50

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