Tehran vs Seattle

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

Iran
Tehran
93
Moderate
United States
Seattle
59
Moderate
MetricTehranSeattle
AQI9359
PM2.538.6 μg/m³14.8 μg/m³
PM1039.7 μg/m³18.9 μg/m³
Ozone8 ppb73 ppb
NO2111.6 ppb13.7 ppb

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