Calgary vs Montreal

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

Canada
Calgary
35
Good
Canada
Montreal
22
Good
MetricCalgaryMontreal
AQI3522
PM2.511.2 μg/m³9.9 μg/m³
PM1014.8 μg/m³10.3 μg/m³
Ozone65 ppb32 ppb
NO27.9 ppb22.2 ppb

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