Tehran vs Nanjing

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

Iran
Tehran
73
Moderate
China
Nanjing
80
Moderate
MetricTehranNanjing
AQI7380
PM2.530.5 μg/m³22.1 μg/m³
PM1031 μg/m³25.4 μg/m³
Ozone0 ppb15 ppb
NO2102.4 ppb35.7 ppb

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