Hanoi vs Sydney

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

Vietnam
Hanoi
120
Unhealthy for Sensitive Groups
Australia
Sydney
43
Good
MetricHanoiSydney
AQI12043
PM2.553.9 μg/m³5.8 μg/m³
PM1055.8 μg/m³7.8 μg/m³
Ozone35 ppb56 ppb
NO245.3 ppb6.9 ppb

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