Xian vs Rio de Janeiro

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

China
Xian
77
Moderate
Brazil
Rio de Janeiro
204
Very Unhealthy
MetricXianRio de Janeiro
AQI77204
PM2.511.1 μg/m³27.9 μg/m³
PM1016.2 μg/m³28.4 μg/m³
Ozone41 ppb159 ppb
NO224.2 ppb32.8 ppb

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