Air Quality in São Sebastião, Brazil
Clear
27.0°C · 40.2% humidity
27.0°
Feels 27.0°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
São Sebastião's air quality — share it
AQI Forecast
54
3pm
54
54
41
6pm
45
47
49
9pm
51
64
64
12am
65
65
65
3am
83
83
83
6am
83
66
54
9am
54
34
34
12pm
34
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.
40.2%
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
20.55 µg/m³
050100150200300500
What is the weather forecast for São Sebastião?
Temperature & Precipitation
PM2.59.75 µg/m³
✓ WHO
Good
PM1020.55 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
What cities are near São Sebastião?
Get AQI alerts for São Sebastião
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:09 UTC.