What is the air quality in Thompson?

Thompson, Canada has an annual US AQI of 31 (Reasonable) and average PM2.5 of 5 µg/m³, ranking #60 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Thompson?

October is typically the cleanest month (AQI 24) and July the most polluted (AQI 44).

Where does Thompson's air quality data come from?

PM2.5: 1998–2024 (monitors 2011–2020, satellite 1998–2010, 2015, 2020–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Thompson, Canada — Air Quality & Clean City Guide 2026

Thompson Air Quality Data

Global rank	City	Continent	AQI	PM2.5
60	Thompson, Canada	North America	AQI 31	PM2.5 5 µg/m³