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North America

Air quality in Canada

Capital: OttawaEnglish, FrenchUpdated October 2026
7µg/m³ national average

Air quality in Canada

People in Canada breathe an average of 7 µg/m³ of PM2.5 (2023), 1× the WHO guideline. Fairly clean.

Air quality by place in Canada

Measured annual averages from the WHO Ambient Air Quality Database.

PlacePM2.5YearLevel
Prince Edward Island4 µg/m³2023Meets the WHO guideline
Whistler5 µg/m³2023Meets the WHO guideline
Vancouver6 µg/m³2023Fairly clean
Victoria6 µg/m³2023Fairly clean
Halifax6 µg/m³2020Fairly clean
Edmonton6 µg/m³2020Fairly clean
Toronto7 µg/m³2020Fairly clean
Montreal7 µg/m³2020Fairly clean
Calgary7 µg/m³2020Fairly clean
Niagara Falls8 µg/m³2023Fairly clean
Quebec City8 µg/m³2023Fairly clean
Ottawa9 µg/m³2023Fairly clean
Kelowna10 µg/m³2023Fairly clean
Yellowknife25 µg/m³2023Polluted

Air quality by place

Sources

Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.