Montreal vs Calgary

Live air quality comparison. Montreal has cleaner air right now.

Canada
Montreal
36
Good
Canada
Calgary
53
Moderate
MetricMontrealCalgary
AQI3653
PM2.56.2 μg/m³13.4 μg/m³
PM106.3 μg/m³16.7 μg/m³
Ozone28 ppb23 ppb
NO211.5 ppb19.6 ppb

Lower values mean cleaner air. Updated hourly. Sources: OpenAQ, Open-Meteo.