Cairo vs Rio de Janeiro

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

Egypt
Cairo
73
Moderate
Brazil
Rio de Janeiro
76
Moderate
MetricCairoRio de Janeiro
AQI7376
PM2.519.3 μg/m³18.5 μg/m³
PM1028.4 μg/m³20.8 μg/m³
Ozone92 ppb156 ppb
NO220.2 ppb6.9 ppb

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