Xian vs Johannesburg

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

China
Xian
153
Unhealthy
South Africa
Johannesburg
172
Unhealthy
MetricXianJohannesburg
AQI153172
PM2.560.5 μg/m³145.3 μg/m³
PM10109.9 μg/m³146.7 μg/m³
Ozone12 ppb23 ppb
NO248.6 ppb74 ppb

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