Montreal vs Calgary

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

Canada
Montreal
22
Good
Canada
Calgary
35
Good
MetricMontrealCalgary
AQI2235
PM2.59.9 μg/m³11.2 μg/m³
PM1010.3 μg/m³14.8 μg/m³
Ozone32 ppb65 ppb
NO222.2 ppb7.9 ppb

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