Rio de Janeiro vs Sao Paulo

Live air quality comparison. Sao Paulo has cleaner air right now.

Brazil
Rio de Janeiro
55
Moderate
Brazil
Sao Paulo
44
Good
MetricRio de JaneiroSao Paulo
AQI5544
PM2.514.8 μg/m³12.4 μg/m³
PM1020.1 μg/m³15 μg/m³
Ozone73 ppb72 ppb
NO25.7 ppb10 ppb

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