Toronto vs Calgary

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

Canada
Toronto
35
Good
Canada
Calgary
25
Good
MetricTorontoCalgary
AQI3525
PM2.510.1 μg/m³2.3 μg/m³
PM1010.3 μg/m³2.5 μg/m³
Ozone83 ppb76 ppb
NO216.5 ppb10.4 ppb

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