Montreal vs Calgary

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

Canada
Montreal
60
Moderate
Canada
Calgary
70
Moderate
MetricMontrealCalgary
AQI6070
PM2.518.1 μg/m³43.2 μg/m³
PM1018.7 μg/m³46.1 μg/m³
Ozone130 ppb155 ppb
NO25.9 ppb6.1 ppb

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