Calgary vs Montreal

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

Canada
Calgary
52
Moderate
Canada
Montreal
36
Good
MetricCalgaryMontreal
AQI5236
PM2.513.2 μg/m³9.7 μg/m³
PM1017.8 μg/m³9.7 μg/m³
Ozone49 ppb72 ppb
NO213.1 ppb5.6 ppb

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