Air Quality in São Sebastião, Brazil
Clear
33.8°C · 29.8% humidity
33.8°
Feels 33.8°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
São Sebastião's air quality — share it
AQI Forecast
34
9am
54
54
46
12pm
48
50
51
3pm
32
32
33
6pm
26
26
27
9pm
24
24
24
12am
24
24
24
3am
24
24
24
6am
24
24
Air Quality Index Trend
28h · 1 stnSão Sebastião's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
29.8%
Humidity
23.7 km/h
Wind NE
1006.3 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for São Sebastião?
Temperature & Precipitation
PM2.5 Trend
28h · 1 stationPM2.511.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
11.0
Median
11.0
Average
11.0
Low
11.0
High
PM2.5 µg/m³ · Model: 9.65 · Bias: -1.4
What is the 7-day forecast for São Sebastião?
09-05
33.8° 17.9°
27.19 mm
09-06
28.0° 16.9°
32.12 mm
09-07
21.8° 18.2°
0.38 mm
09-08
28.4° 15.6°
39.19 mm
09-09
19.9° 11.7°
5.38 mm
09-10
21.9° 18.2°
8.63 mm
09-11
20.1° 19.3°
10.56 mm
Both models agree
Avg diff: 3.9°C
Where are air quality stations near São Sebastião?
30
São Sebastião, São Paulo, Brazil
38
São Sebastião, São Paulo, Brazil
46
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 2026-09-05T15:11 UTC.