Hangzhou vs Rio de Janeiro

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

China
Hangzhou
103
Unhealthy for Sensitive Groups
Brazil
Rio de Janeiro
62
Moderate
MetricHangzhouRio de Janeiro
AQI10362
PM2.556.3 μg/m³24.9 μg/m³
PM1056.5 μg/m³28.5 μg/m³
Ozone1 ppb180 ppb
NO263.3 ppb18.1 ppb

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