Sao Paulo vs Hanoi

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

Brazil
Sao Paulo
73
Moderate
Vietnam
Hanoi
99
Moderate
MetricSao PauloHanoi
AQI7399
PM2.511.1 μg/m³26.7 μg/m³
PM1012.4 μg/m³28.2 μg/m³
Ozone48 ppb54 ppb
NO228.1 ppb29.3 ppb

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