Hanoi vs Santiago

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

Unhealthy for Sensitive Groups

Metric	Hanoi	Santiago
AQI	120	157
PM2.5	53.9 μg/m³	51.6 μg/m³
PM10	55.8 μg/m³	53.1 μg/m³
Ozone	35 ppb	6 ppb
NO2	45.3 ppb	81.4 ppb

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