Air Quality in São Sebastião, Brazil
Partly Cloudy
25.8°C · 57.9% humidity
25.8°
Feels 25.8°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
São Sebastião's air quality — share it
AQI Forecast
54
7pm
54
54
34
10pm
40
44
27
1am
22
23
31
4am
25
33
33
7am
33
33
27
10am
27
25
25
1pm
27
27
34
4pm
54
54
Air Quality Index Trend
32h · 2 stnSão Sebastião's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
57.9%
Humidity
3.7 km/h
Wind SE
1015.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for São Sebastião?
Temperature & Precipitation
PM2.5 Trend
32h · 2 stationsPM2.58.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
8.2
Median
8.2
Average
8.2
Low
8.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +2.7
What is the 7-day forecast for São Sebastião?
08-03
25.8° 15.4°
0.06 mm
08-04
30.2° 12.3°
4.0 mm
08-05
25.8° 16.8°
08-06
20.8° 14.8°
7.19 mm
08-07
22.0° 17.4°
0.38 mm
08-08
25.6° 16.1°
08-09
31.1° 18.5°
Both models agree
Avg diff: 3.7°C
Where are air quality stations near São Sebastião?
46
São Sebastião, São Paulo, Brazil
34
São Sebastião, São Paulo, Brazil
30
São Sebastião, São Paulo, Brazil
42
São Sebastião, São Paulo, Brazil
42
São Sebastião, São Paulo, Brazil
What cities are near São Sebastião?
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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 2026-08-08T01:00 UTC.