Rio de Janeiro vs Sao Paulo

Live air quality comparison. Rio de Janeiro has cleaner air right now.

Brazil
Rio de Janeiro
61
Moderate
Brazil
Sao Paulo
74
Moderate
MetricRio de JaneiroSao Paulo
AQI6174
PM2.522.4 μg/m³39.3 μg/m³
PM1024.2 μg/m³39.5 μg/m³
Ozone28 ppb45 ppb
NO228.5 ppb39.4 ppb

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