Hanoi vs Johannesburg

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

Vietnam
Hanoi
99
Moderate
South Africa
Johannesburg
172
Unhealthy
MetricHanoiJohannesburg
AQI99172
PM2.526.7 μg/m³145.3 μg/m³
PM1028.2 μg/m³146.7 μg/m³
Ozone54 ppb23 ppb
NO229.3 ppb74 ppb

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