Calgary vs Toronto

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

Canada
Calgary
53
Moderate
Canada
Toronto
35
Good
MetricCalgaryToronto
AQI5335
PM2.513.4 μg/m³10 μg/m³
PM1016.7 μg/m³10.4 μg/m³
Ozone23 ppb47 ppb
NO219.6 ppb17.6 ppb

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