London vs Johannesburg

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

United Kingdom
London
22
Good
South Africa
Johannesburg
90
Moderate
MetricLondonJohannesburg
AQI2290
PM2.53.9 μg/m³50.9 μg/m³
PM107.8 μg/m³52 μg/m³
Ozone51 ppb47 ppb
NO26.8 ppb47.7 ppb

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