Sao Paulo vs Rio de Janeiro

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

Brazil
Sao Paulo
81
Moderate
Brazil
Rio de Janeiro
85
Moderate
MetricSao PauloRio de Janeiro
AQI8185
PM2.520.1 μg/m³19.1 μg/m³
PM1021.6 μg/m³24.4 μg/m³
Ozone155 ppb119 ppb
NO215.2 ppb11.4 ppb

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