London vs Hanoi

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

United Kingdom
London
50
Good
Vietnam
Hanoi
117
Unhealthy for Sensitive Groups
MetricLondonHanoi
AQI50117
PM2.515.1 μg/m³54.9 μg/m³
PM1025.1 μg/m³57.6 μg/m³
Ozone79 ppb25 ppb
NO220.3 ppb49.3 ppb

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