Tehran vs Johannesburg

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

Iran
Tehran
73
Moderate
South Africa
Johannesburg
155
Unhealthy
MetricTehranJohannesburg
AQI73155
PM2.530.5 μg/m³56 μg/m³
PM1031 μg/m³56.8 μg/m³
Ozone0 ppb10 ppb
NO2102.4 ppb64.8 ppb

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