Cairo vs Rio de Janeiro

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

Egypt
Cairo
55
Moderate
Brazil
Rio de Janeiro
204
Very Unhealthy
MetricCairoRio de Janeiro
AQI55204
PM2.515 μg/m³27.9 μg/m³
PM1021.8 μg/m³28.4 μg/m³
Ozone65 ppb159 ppb
NO222.1 ppb32.8 ppb

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