Montreal vs Calgary

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

Canada
Montreal
44
Good
Canada
Calgary
66
Moderate
MetricMontrealCalgary
AQI4466
PM2.56.2 μg/m³27.4 μg/m³
PM106.2 μg/m³30.9 μg/m³
Ozone34 ppb16 ppb
NO223.9 ppb64.7 ppb

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