Sao Paulo vs Hanoi

Live air quality comparison. Sao Paulo has cleaner air right now.

Brazil
Sao Paulo
64
Moderate
Vietnam
Hanoi
117
Unhealthy for Sensitive Groups
MetricSao PauloHanoi
AQI64117
PM2.529.8 μg/m³54.9 μg/m³
PM1032.4 μg/m³57.6 μg/m³
Ozone15 ppb25 ppb
NO266.3 ppb49.3 ppb

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