Hangzhou vs Johannesburg

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

China
Hangzhou
103
Unhealthy for Sensitive Groups
South Africa
Johannesburg
172
Unhealthy
MetricHangzhouJohannesburg
AQI103172
PM2.556.3 μg/m³145.3 μg/m³
PM1056.5 μg/m³146.7 μg/m³
Ozone1 ppb23 ppb
NO263.3 ppb74 ppb

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