Sao Paulo vs Hanoi

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

Brazil
Sao Paulo
76
Moderate
Vietnam
Hanoi
101
Unhealthy for Sensitive Groups
MetricSao PauloHanoi
AQI76101
PM2.520.8 μg/m³43.8 μg/m³
PM1021 μg/m³44.2 μg/m³
Ozone16 ppb63 ppb
NO261.9 ppb24.9 ppb

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