Tehran vs Vienna

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

Iran
Tehran
73
Moderate
Austria
Vienna
48
Good
MetricTehranVienna
AQI7348
PM2.530.5 μg/m³11.6 μg/m³
PM1031 μg/m³15.3 μg/m³
Ozone0 ppb47 ppb
NO2102.4 ppb11.8 ppb

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