Tehran vs Singapore

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

Iran
Tehran
73
Moderate
Singapore
Singapore
72
Moderate
MetricTehranSingapore
AQI7372
PM2.530.5 μg/m³20 μg/m³
PM1031 μg/m³26.9 μg/m³
Ozone0 ppb72 ppb
NO2102.4 ppb20.2 ppb

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