Sao Paulo vs Rio de Janeiro

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

Brazil
Sao Paulo
74
Moderate
Brazil
Rio de Janeiro
61
Moderate
MetricSao PauloRio de Janeiro
AQI7461
PM2.539.3 μg/m³22.4 μg/m³
PM1039.5 μg/m³24.2 μg/m³
Ozone45 ppb28 ppb
NO239.4 ppb28.5 ppb

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