Xian vs Johannesburg

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

China
Xian
105
Unhealthy for Sensitive Groups
South Africa
Johannesburg
155
Unhealthy
MetricXianJohannesburg
AQI105155
PM2.548.9 μg/m³56 μg/m³
PM1049.6 μg/m³56.8 μg/m³
Ozone12 ppb10 ppb
NO253.8 ppb64.8 ppb

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