Shenzhen vs Johannesburg

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

China
Shenzhen
77
Moderate
South Africa
Johannesburg
162
Unhealthy
MetricShenzhenJohannesburg
AQI77162
PM2.527.2 μg/m³24.3 μg/m³
PM1029.5 μg/m³24.7 μg/m³
Ozone9 ppb113 ppb
NO271.1 ppb10.9 ppb

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