London vs Johannesburg

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

United Kingdom
London
50
Good
South Africa
Johannesburg
156
Unhealthy
MetricLondonJohannesburg
AQI50156
PM2.515.1 μg/m³52 μg/m³
PM1025.1 μg/m³52.9 μg/m³
Ozone79 ppb13 ppb
NO220.3 ppb65 ppb

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