Tehran vs Hangzhou

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

Iran
Tehran
73
Moderate
China
Hangzhou
79
Moderate
MetricTehranHangzhou
AQI7379
PM2.530.5 μg/m³26 μg/m³
PM1031 μg/m³30.6 μg/m³
Ozone0 ppb21 ppb
NO2102.4 ppb31.2 ppb

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