Tehran vs Oslo

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

Iran
Tehran
73
Moderate
Norway
Oslo
37
Good
MetricTehranOslo
AQI7337
PM2.530.5 μg/m³10.3 μg/m³
PM1031 μg/m³12.7 μg/m³
Ozone0 ppb31 ppb
NO2102.4 ppb33.2 ppb

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