Tehran vs Rio de Janeiro

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

Iran
Tehran
77
Moderate
Brazil
Rio de Janeiro
174
Unhealthy
MetricTehranRio de Janeiro
AQI77174
PM2.535.5 μg/m³24 μg/m³
PM1050.8 μg/m³25.3 μg/m³
Ozone3 ppb215 ppb
NO287.4 ppb14.3 ppb

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

Tehran vs Rio de Janeiro - Air Quality Comparison | atmos.today