Toronto vs Calgary

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

Canada
Toronto
51
Moderate
Canada
Calgary
35
Good
MetricTorontoCalgary
AQI5135
PM2.53.9 μg/m³11.2 μg/m³
PM104.2 μg/m³14.8 μg/m³
Ozone51 ppb65 ppb
NO212.3 ppb7.9 ppb

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