London vs Johannesburg

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

United Kingdom
London
57
Moderate
South Africa
Johannesburg
172
Unhealthy
MetricLondonJohannesburg
AQI57172
PM2.58.7 μg/m³145.3 μg/m³
PM1016.7 μg/m³146.7 μg/m³
Ozone83 ppb23 ppb
NO213.7 ppb74 ppb

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