Tehran vs Chengdu

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

Iran
Tehran
77
Moderate
China
Chengdu
79
Moderate
MetricTehranChengdu
AQI7779
PM2.535.5 μg/m³12.3 μg/m³
PM1050.8 μg/m³12.6 μg/m³
Ozone3 ppb71 ppb
NO287.4 ppb23.9 ppb

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