Tehran vs Helsinki

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

Iran
Tehran
73
Moderate
Finland
Helsinki
39
Good
MetricTehranHelsinki
AQI7339
PM2.530.5 μg/m³5.3 μg/m³
PM1031 μg/m³6.4 μg/m³
Ozone0 ppb44 ppb
NO2102.4 ppb7.4 ppb

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