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São Paulo Good

São Paulo, São Paulo · Brazil

Updated: Mar 13, 2026, 9:00 AM

130500
Good

Air quality is satisfactory, and air pollution poses little or no risk.

Current Weather

23.1°C
Temperature
79%
Humidity
4.3
mph wind
Overcast
Conditions

Pollutant Breakdown

13
PM2.5
µg/m³ · Fine particulate matter
3
PM10
µg/m³ · Coarse particulate matter
6.5
Ozone
ppb · Ground-level ozone
14.7
NO₂
ppb · Nitrogen dioxide
SO₂
ppb · Sulfur dioxide
3.7
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Wed, 3/11
41
avg AQI
Thu, 3/12
44
avg AQI
Fri, 3/13
53
avg AQI
Sat, 3/14
81
avg AQI
Sun, 3/15
71
avg AQI
Mon, 3/16
48
avg AQI
Tue, 3/17
65
avg AQI

Health Guidance

General population: No restrictions. Enjoy outdoor activities.
Sensitive groups: Air quality is good. Normal activities are fine.
💨
Keep windows closed if air quality is Unhealthy or above. Use air purifiers with HEPA filters indoors.

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 13, which is classified as "Good". Air quality is satisfactory, and air pollution poses little or no risk.

The AQI scale runs from 0 to 500, where lower values indicate cleaner air. Values between 0–50 are considered 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. The data shown here is updated in real-time and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide measurements.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous