Hangzhou vs Rio de Janeiro

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

China
Hangzhou
48
Good
Brazil
Rio de Janeiro
196
Unhealthy
MetricHangzhouRio de Janeiro
AQI48196
PM2.53.3 μg/m³24.4 μg/m³
PM104 μg/m³25.9 μg/m³
Ozone83 ppb188 ppb
NO28.2 ppb23.9 ppb

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