London vs Hanoi

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

United Kingdom
London
22
Good
Vietnam
Hanoi
153
Unhealthy
MetricLondonHanoi
AQI22153
PM2.54.2 μg/m³83.4 μg/m³
PM108 μg/m³83.8 μg/m³
Ozone50 ppb59 ppb
NO28 ppb49.3 ppb

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