Tehran vs Calgary

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

Iran
Tehran
93
Moderate
Canada
Calgary
35
Good
MetricTehranCalgary
AQI9335
PM2.538.6 μg/m³8.7 μg/m³
PM1039.7 μg/m³11.7 μg/m³
Ozone8 ppb96 ppb
NO2111.6 ppb4.2 ppb

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