Cairo vs Rio de Janeiro

Live air quality comparison. Both cities show identical AQI right now.

Egypt
Cairo
62
Moderate
Brazil
Rio de Janeiro
62
Moderate
MetricCairoRio de Janeiro
AQI6262
PM2.513.8 μg/m³24.9 μg/m³
PM1023.2 μg/m³28.5 μg/m³
Ozone81 ppb180 ppb
NO220.9 ppb18.1 ppb

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