Toronto vs Calgary

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

Canada
Toronto
64
Moderate
Canada
Calgary
66
Moderate
MetricTorontoCalgary
AQI6466
PM2.59.5 μg/m³27.4 μg/m³
PM109.6 μg/m³30.9 μg/m³
Ozone31 ppb16 ppb
NO245.6 ppb64.7 ppb

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