Tehran vs Tallinn

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

Iran
Tehran
83
Moderate
Estonia
Tallinn
37
Good
MetricTehranTallinn
AQI8337
PM2.553 μg/m³1.8 μg/m³
PM1057.7 μg/m³2.5 μg/m³
Ozone18 ppb50 ppb
NO262.7 ppb2.2 ppb

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