What is the air quality in Santos today?

The current Air Quality Index (AQI) in Santos is 21 (Good). PM2.5 concentration is 5.08 µg/m³.

What is the temperature in Santos right now?

The current temperature in Santos is 26.1°C (feels like 26.1°C). Humidity is 63.8% and wind speed is 74.5 km/h.

Is it safe to go outside in Santos?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in Santos, Brazil

Windy

26.1°C · 63.8% humidity

26.1°

Feels 26.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

54 9am

21 12pm

22 3pm

30 6pm

25 9pm

24 12am

25 3am

25 6am

Air Quality Index Trend

45h · 11 stn

View full history →

Santos's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

63.8%

Humidity

74.5 km/h

Wind E

1005.7 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.08 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Santos?

Temperature & Precipitation

PM2.5 Trend

45h · 11 stations

PM2.55.08 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX9.4

Very High

Station readings (3 stations within 25 km)

5.08

Median

5.93

Average

4.8

Low

7.2

High

PM2.5 µg/m³ · Model: 9.75 · Bias: +4.7

What is the 7-day forecast for Santos?

09-05

26.1° 19.2°

12.87 mm

09-06

23.8° 19.6°

22.5 mm

09-07

22.7° 20.4°

1.06 mm

09-08

24.9° 16.7°

35.75 mm

09-09

21.3° 16.3°

3.94 mm

09-10

22.3° 20.6°

17.19 mm

09-11

21.5° 19.9°

18.94 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Santos?

Santos-Ponta da Praia, São Paulo, Brazil

4.1 km PM2.5: 3.6 µg/m³

Santos-Ponta da Praia, São Paulo, Brazil

4.1 km PM2.5: 4.8 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 13.5 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 9.1 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 5.0 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 8.2 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 9.1 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 8.2 µg/m³

Cubatão-Centro, São Paulo, Brazil

12.5 km PM2.5: 7.2 µg/m³

Cubatão-Vila Parisi, São Paulo, Brazil

13.6 km PM2.5: 5.8 µg/m³

What cities are near Santos?

25 São Vicente 21 Guarujá 24 Praia Grande 30 Cubatão 22 Bertioga 45 Rio Grande da Serra 53 Ribeirão Pires 15 Mongaguá 56 Mauá 57 São Bernardo do Campo

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:06 UTC.