Tehran vs Nanjing

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

Iran
Tehran
79
Moderate
China
Nanjing
160
Unhealthy
MetricTehranNanjing
AQI79160
PM2.59.3 μg/m³136 μg/m³
PM1018.5 μg/m³140.6 μg/m³
Ozone94 ppb9 ppb
NO213.2 ppb111.4 ppb

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