Rio de Janeiro vs Sydney

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

Brazil
Rio de Janeiro
62
Moderate
Australia
Sydney
59
Moderate
MetricRio de JaneiroSydney
AQI6259
PM2.524.9 μg/m³3.6 μg/m³
PM1028.5 μg/m³4.6 μg/m³
Ozone180 ppb41 ppb
NO218.1 ppb16.9 ppb

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