Hanoi vs Johannesburg

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

Vietnam
Hanoi
148
Unhealthy for Sensitive Groups
South Africa
Johannesburg
157
Unhealthy
MetricHanoiJohannesburg
AQI148157
PM2.560.8 μg/m³54.7 μg/m³
PM1061 μg/m³54.8 μg/m³
Ozone68 ppb68 ppb
NO230.3 ppb36.3 ppb

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