Sao Paulo vs Nanjing

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

Unhealthy for Sensitive Groups

Metric	Sao Paulo	Nanjing
AQI	134	155
PM2.5	56.3 μg/m³	46.2 μg/m³
PM10	56.5 μg/m³	53.9 μg/m³
Ozone	68 ppb	47 ppb
NO2	57.7 ppb	56.3 ppb

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