Rio de Janeiro vs Cairo

Live air quality comparison. Rio de Janeiro has cleaner air right now.

Brazil
Rio de Janeiro
46
Good
Egypt
Cairo
57
Moderate
MetricRio de JaneiroCairo
AQI4657
PM2.58.4 μg/m³16.2 μg/m³
PM1010 μg/m³25.2 μg/m³
Ozone35 ppb144 ppb
NO226.7 ppb14 ppb

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