Hangzhou vs Rio de Janeiro

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

China
Hangzhou
154
Unhealthy
Brazil
Rio de Janeiro
82
Moderate
MetricHangzhouRio de Janeiro
AQI15482
PM2.528.3 μg/m³39 μg/m³
PM1034.3 μg/m³41.9 μg/m³
Ozone151 ppb47 ppb
NO214.8 ppb45.9 ppb

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