Tehran vs Vienna

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

Iran
Tehran
93
Moderate
Austria
Vienna
68
Moderate
MetricTehranVienna
AQI9368
PM2.538.6 μg/m³8.9 μg/m³
PM1039.7 μg/m³21.8 μg/m³
Ozone8 ppb98 ppb
NO2111.6 ppb3.7 ppb

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