Calgary vs Toronto

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

Canada
Calgary
25
Good
Canada
Toronto
35
Good
MetricCalgaryToronto
AQI2535
PM2.52.3 μg/m³10.1 μg/m³
PM102.5 μg/m³10.3 μg/m³
Ozone76 ppb83 ppb
NO210.4 ppb16.5 ppb

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