Toronto vs Calgary

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

Canada
Toronto
36
Good
Canada
Calgary
53
Moderate
MetricTorontoCalgary
AQI3653
PM2.510.7 μg/m³12.5 μg/m³
PM1011.2 μg/m³15.3 μg/m³
Ozone49 ppb30 ppb
NO217.3 ppb17 ppb

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