Rio de Janeiro vs Cairo

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

Brazil
Rio de Janeiro
68
Moderate
Egypt
Cairo
67
Moderate
MetricRio de JaneiroCairo
AQI6867
PM2.517.9 μg/m³21.2 μg/m³
PM1025 μg/m³68.2 μg/m³
Ozone82 ppb58 ppb
NO28.9 ppb20.8 ppb

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