Tehran vs Chengdu

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

Iran
Tehran
73
Moderate
China
Chengdu
151
Unhealthy
MetricTehranChengdu
AQI73151
PM2.530.5 μg/m³90.3 μg/m³
PM1031 μg/m³91 μg/m³
Ozone0 ppb28 ppb
NO2102.4 ppb77.9 ppb

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