Xian vs Rio de Janeiro

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

China
Xian
153
Unhealthy
Brazil
Rio de Janeiro
105
Unhealthy for Sensitive Groups
MetricXianRio de Janeiro
AQI153105
PM2.560.5 μg/m³21 μg/m³
PM10109.9 μg/m³26.4 μg/m³
Ozone12 ppb109 ppb
NO248.6 ppb25.1 ppb

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