London vs Sydney

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

United Kingdom
London
43
Good
Australia
Sydney
59
Moderate
MetricLondonSydney
AQI4359
PM2.54.7 μg/m³3.3 μg/m³
PM106.4 μg/m³3.7 μg/m³
Ozone71 ppb38 ppb
NO27.3 ppb10.1 ppb

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