Calgary vs Toronto

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

Canada
Calgary
35
Good
Canada
Toronto
51
Moderate
MetricCalgaryToronto
AQI3551
PM2.511.2 μg/m³3.9 μg/m³
PM1014.8 μg/m³4.2 μg/m³
Ozone65 ppb51 ppb
NO27.9 ppb12.3 ppb

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