London vs Johannesburg

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

United Kingdom
London
43
Good
South Africa
Johannesburg
157
Unhealthy
MetricLondonJohannesburg
AQI43157
PM2.54.7 μg/m³54.7 μg/m³
PM106.4 μg/m³54.8 μg/m³
Ozone71 ppb68 ppb
NO27.3 ppb36.3 ppb

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