Calgary vs Montreal

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

Canada
Calgary
70
Moderate
Canada
Montreal
60
Moderate
MetricCalgaryMontreal
AQI7060
PM2.543.2 μg/m³18.1 μg/m³
PM1046.1 μg/m³18.7 μg/m³
Ozone155 ppb130 ppb
NO26.1 ppb5.9 ppb

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