What is the air quality in São Sebastião today?

The current Air Quality Index (AQI) in São Sebastião is 26 (Good). PM2.5 concentration is 6.15 µg/m³.

What is the temperature in São Sebastião right now?

The current temperature in São Sebastião is 28.5°C (feels like 30.4°C). Humidity is 46.2% and wind speed is 77.3 km/h.

Is it safe to go outside in São Sebastião?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 19.9 (Extreme).

Air Quality in São Sebastião, Brazil

Drizzle

28.5°C · 46.2% humidity

28.5°

Feels 30.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

34 9am

26 12pm

27 3pm

54 6pm

54 9pm

54 12am

54 3am

54 6am

View AQI history for São Sebastião →

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

46.2%

Humidity

77.3 km/h

Wind SE

1016.1 hPa

Pressure

19.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.15 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for São Sebastião?

Temperature & Precipitation

PM2.56.15 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX19.9

Extreme

Both models agree Avg diff: 1.3°C

What cities are near São Sebastião?

26 Junqueiro 26 Feira Grande 26 Teotônio Vilela 26 Limoeiro de Anadia 26 Lagoa da Canoa 26 Arapiraca 26 Igreja Nova 26 Cajueiro 26 Campo Alegre 26 Girau do Ponciano

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T15:28 UTC.