Sao Paulo vs Rio de Janeiro

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

Brazil
Sao Paulo
25
Good
Brazil
Rio de Janeiro
46
Good
MetricSao PauloRio de Janeiro
AQI2546
PM2.510.4 μg/m³8.4 μg/m³
PM1011.4 μg/m³10 μg/m³
Ozone23 ppb35 ppb
NO228.3 ppb26.7 ppb

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