Tehran vs Chengdu

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

Iran
Tehran
93
Moderate
China
Chengdu
138
Unhealthy for Sensitive Groups
MetricTehranChengdu
AQI93138
PM2.538.6 μg/m³72.6 μg/m³
PM1039.7 μg/m³143.9 μg/m³
Ozone8 ppb56 ppb
NO2111.6 ppb27.8 ppb

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