London vs Hanoi

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

United Kingdom
London
43
Good
Vietnam
Hanoi
148
Unhealthy for Sensitive Groups
MetricLondonHanoi
AQI43148
PM2.54.7 μg/m³60.8 μg/m³
PM106.4 μg/m³61 μg/m³
Ozone71 ppb68 ppb
NO27.3 ppb30.3 ppb

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