Tehran vs Sydney

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

Iran
Tehran
73
Moderate
Australia
Sydney
43
Good
MetricTehranSydney
AQI7343
PM2.530.5 μg/m³5.8 μg/m³
PM1031 μg/m³7.8 μg/m³
Ozone0 ppb56 ppb
NO2102.4 ppb6.9 ppb

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