What is the air quality in Sherbrooke?

Sherbrooke, Canada has an annual US AQI of 42 (Reasonable) and average PM2.5 of 7.4 µg/m³, ranking #319 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sherbrooke?

October is typically the cleanest month (AQI 31) and January the most polluted (AQI 48).

Where does Sherbrooke's air quality data come from?

PM2.5: 1998–2026 (monitors 2003–2026, satellite 1998–2003, 2008, 2022–2023; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Sherbrooke, Canada — Air Quality & Clean City Guide 2026

Sherbrooke Air Quality Data

Global rank	City	Continent	AQI	PM2.5
319	Sherbrooke, Canada	North America	AQI 42	PM2.5 7.4 µg/m³