Hangzhou vs Rio de Janeiro

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

China
Hangzhou
77
Moderate
Brazil
Rio de Janeiro
62
Moderate
MetricHangzhouRio de Janeiro
AQI7762
PM2.534.2 μg/m³22.1 μg/m³
PM1037.6 μg/m³24.5 μg/m³
Ozone9 ppb29 ppb
NO236.9 ppb41 ppb

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