London vs Sydney

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

United Kingdom
London
22
Good
Australia
Sydney
53
Moderate
MetricLondonSydney
AQI2253
PM2.53.9 μg/m³9.4 μg/m³
PM107.8 μg/m³23.8 μg/m³
Ozone51 ppb109 ppb
NO26.8 ppb1.4 ppb

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