Air Quality in São Sebastião, Brazil
Cloudy
18.3°C · 87.1% humidity
18.3°
Feels 18.3°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
São Sebastião's air quality — share it
AQI Forecast
54
4pm
54
54
41
7pm
45
47
49
10pm
63
64
64
1am
65
65
82
4am
83
83
83
7am
66
54
54
10am
34
34
34
1pm
27
27
São Sebastião's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
87.1%
Humidity
27.6 km/h
Wind E
1020.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.75 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for São Sebastião?
Temperature & Precipitation
PM2.59.75 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for São Sebastião?
07-21
27.0° 17.9°
0.19 mm
07-22
25.2° 17.2°
3.25 mm
07-23
30.1° 18.6°
1.25 mm
07-24
26.4° 19.0°
3.44 mm
07-25
25.1° 19.3°
1.88 mm
07-26
25.3° 18.3°
0.25 mm
07-27
27.9° 17.1°
0.44 mm
Both models agree
Avg diff: 1.9°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T22:05 UTC.