What is the air quality trend in Sorel-Tracy?

Over the past 16 days, Sorel-Tracy had an average AQI of 28 based on station measurements. The worst day was with AQI .

How is Sorel-Tracy air quality measured?

Air quality in Sorel-Tracy 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 Sorel-Tracy, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Sorel-Tracy, Canada.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

307h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-10	28	2–56	6.9 µg/m³	21h	3
2026-04-09	26	14–42	6.3 µg/m³	17h	3
2026-04-08	31	8–90	8.3 µg/m³	9h	3
2026-04-07	19	11–61	4.5 µg/m³	24h	4
2026-04-06	15	8–32	3.6 µg/m³	18h	3
2026-04-04	25	4–57	6.0 µg/m³	15h	2
2026-04-03	20	10–38	4.9 µg/m³	24h	3
2026-04-02	24	12–39	5.8 µg/m³	23h	3
2026-04-01	25	11–75	6.4 µg/m³	22h	3
2026-03-31	24	10–45	5.7 µg/m³	21h	2
2026-03-30	38	2–47	9.1 µg/m³	11h	3
2026-03-29	45	20–193	15.1 µg/m³	23h	3
2026-03-28	28	7–80	7.0 µg/m³	24h	3
2026-03-27	34	13–83	9.4 µg/m³	24h	3
2026-03-26	39	12–69	9.8 µg/m³	24h	3
2026-03-25	27	18–51	6.5 µg/m³	7h	3

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