Rio de Janeiro vs Sydney

Live air quality comparison. Sydney has cleaner air right now.

Brazil
Rio de Janeiro
196
Unhealthy
Australia
Sydney
59
Moderate
MetricRio de JaneiroSydney
AQI19659
PM2.524.4 μg/m³3.3 μg/m³
PM1025.9 μg/m³3.7 μg/m³
Ozone188 ppb38 ppb
NO223.9 ppb10.1 ppb

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