What is the air quality in Quebec City?

Quebec City, Canada has an annual US AQI of 44 (Reasonable) and average PM2.5 of 8.3 µg/m³, ranking #428 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Quebec City?

April is typically the cleanest month (AQI 38) and January the most polluted (AQI 52).

Where does Quebec City's air quality data come from?

PM2.5: 1998–2026 (monitors 1998–2026, satellite 1998, 2000, 2009; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Quebec City, Canada — Air Quality & Clean City Guide 2026

Quebec City Air Quality Data

Global rank	City	Continent	AQI	PM2.5
428	Quebec City, Canada	North America	AQI 44	PM2.5 8.3 µg/m³