Tehran vs Riyadh

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

Iran
Tehran
73
Moderate
Saudi Arabia
Riyadh
694
Hazardous
MetricTehranRiyadh
AQI73694
PM2.530.5 μg/m³81.7 μg/m³
PM1031 μg/m³469.4 μg/m³
Ozone0 ppb54 ppb
NO2102.4 ppb25.1 ppb

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