Tianjin vs Tehran

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

China
Tianjin
167
Unhealthy
Iran
Tehran
83
Moderate
MetricTianjinTehran
AQI16783
PM2.575 μg/m³53 μg/m³
PM1087.8 μg/m³57.7 μg/m³
Ozone64 ppb18 ppb
NO270.4 ppb62.7 ppb

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