Hanoi vs Sydney

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

Vietnam
Hanoi
153
Unhealthy
Australia
Sydney
54
Moderate
MetricHanoiSydney
AQI15354
PM2.583.4 μg/m³12.5 μg/m³
PM1083.8 μg/m³20.7 μg/m³
Ozone59 ppb102 ppb
NO249.3 ppb5.4 ppb

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