Rio de Janeiro vs Sao Paulo

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

Brazil
Rio de Janeiro
46
Good
Brazil
Sao Paulo
26
Good
MetricRio de JaneiroSao Paulo
AQI4626
PM2.58.4 μg/m³11.6 μg/m³
PM1010 μg/m³12.7 μg/m³
Ozone35 ppb25 ppb
NO226.7 ppb30.5 ppb

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