Air Quality in São Sebastião, Brazil
Partly Cloudy
23.4°C · 65.0% humidity
23.4°
Feels 23.4°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
São Sebastião's air quality — share it
AQI Forecast
27
11am
27
27
27
2pm
27
27
27
5pm
27
34
34
8pm
54
34
34
11pm
34
34
34
2am
27
27
27
5am
27
27
27
8am
27
27
Air Quality Index Trend
6h · 3 stnSão Sebastião's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
65.0%
Humidity
9.9 km/h
Wind ESE
1016.4 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for São Sebastião?
Temperature & Precipitation
PM2.5 Trend
6h · 3 stationsPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for São Sebastião?
07-21
23.4° 16.0°
2.75 mm
07-22
25.0° 16.9°
3.06 mm
07-23
21.4° 16.3°
4.19 mm
07-24
27.6° 16.9°
07-25
24.5° 15.3°
07-26
21.7° 17.6°
2.12 mm
07-27
20.6° 15.3°
3.75 mm
Both models agree
Avg diff: 3.3°C
Where are air quality stations near São Sebastião?
26
São Sebastião, São Paulo, Brazil
38
São Sebastião, São Paulo, Brazil
8
São Sebastião, São Paulo, Brazil
What cities are near São Sebastião?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:16 UTC.