São Paulo Moderate
São Paulo, São Paulo
Updated: Nov 4, 2026, 2:00 PM
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Current Weather
Pollutant Breakdown
Dominant pollutant: O3
PM2.5 Forecast (next 7 days)
Health Guidance
Data from: CETESB - Companhia Ambiental do Estado de São Paulo, World Air Quality Index Project
Is the air safe in São Paulo today?
The current Air Quality Index (AQI) in São Paulo is 51, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.
Air quality in São Paulo, São Paulo is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.