Sao Paulo vs Chennai

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

Brazil
Sao Paulo
141
Unhealthy for Sensitive Groups
India
Chennai
71
Moderate
MetricSao PauloChennai
AQI14171
PM2.513.3 μg/m³22.8 μg/m³
PM1013.3 μg/m³33.3 μg/m³
Ozone95 ppb56 ppb
NO222 ppb17.2 ppb

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