London vs Sydney

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

United Kingdom
London
57
Moderate
Australia
Sydney
59
Moderate
MetricLondonSydney
AQI5759
PM2.58.7 μg/m³3.6 μg/m³
PM1016.7 μg/m³4.6 μg/m³
Ozone83 ppb41 ppb
NO213.7 ppb16.9 ppb

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