Seoul vs Tehran

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

South Korea
Seoul
62
Moderate
Iran
Tehran
73
Moderate
MetricSeoulTehran
AQI6273
PM2.512.5 μg/m³30.5 μg/m³
PM1015.2 μg/m³31 μg/m³
Ozone35 ppb0 ppb
NO234.9 ppb102.4 ppb

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