Tehran vs Calgary

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

Iran
Tehran
77
Moderate
Canada
Calgary
33
Good
MetricTehranCalgary
AQI7733
PM2.538.1 μg/m³0.7 μg/m³
PM1046.1 μg/m³0.7 μg/m³
Ozone10 ppb108 ppb
NO275.3 ppb1.5 ppb

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