Shenzhen vs Tehran

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

China
Shenzhen
77
Moderate
Iran
Tehran
69
Moderate
MetricShenzhenTehran
AQI7769
PM2.527.2 μg/m³15.7 μg/m³
PM1029.5 μg/m³34.6 μg/m³
Ozone9 ppb88 ppb
NO271.1 ppb17.8 ppb

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