Tehran vs Nanjing

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

Iran
Tehran
93
Moderate
China
Nanjing
111
Unhealthy for Sensitive Groups
MetricTehranNanjing
AQI93111
PM2.538.6 μg/m³58.4 μg/m³
PM1039.7 μg/m³58.6 μg/m³
Ozone8 ppb0 ppb
NO2111.6 ppb61.2 ppb

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