Cairo vs Rio de Janeiro

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

Egypt
Cairo
58
Moderate
Brazil
Rio de Janeiro
86
Moderate
MetricCairoRio de Janeiro
AQI5886
PM2.513.3 μg/m³34.2 μg/m³
PM1020.3 μg/m³38.6 μg/m³
Ozone109 ppb179 ppb
NO211.8 ppb10.9 ppb

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