Xian vs Johannesburg

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

China
Xian
78
Moderate
South Africa
Johannesburg
157
Unhealthy
MetricXianJohannesburg
AQI78157
PM2.510.3 μg/m³54.7 μg/m³
PM1015.3 μg/m³54.8 μg/m³
Ozone44 ppb68 ppb
NO222.8 ppb36.3 ppb

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