Air Quality in Sesimbra, Portugal
Windy
22.6°C · 44.6% humidity
22.6°
Feels 22.6°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Sesimbra's air quality — share it
AQI Forecast
Calibrated
36
1pm
36
36
45
4pm
42
41
39
7pm
38
38
37
10pm
37
37
36
1am
16
16
16
4am
16
16
16
7am
16
16
16
10am
16
36
Station readings
23h ago
AQI 16
PM2.5 3.8 µg/m³ · 23h ago
Air Quality Index Trend
45h · 3 stnSesimbra's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
44.6%
Humidity
99.2 km/h
Wind NNW
1015.8 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.85 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Sesimbra?
Temperature & Precipitation
PM2.5 Trend
45h · 3 stationsPM2.510.85 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX7.9
Very High
What is the 7-day forecast for Sesimbra?
09-05
32.5° 19.5°
09-06
27.4° 17.6°
09-07
29.9° 15.6°
09-08
27.6° 18.1°
1.94 mm
09-09
33.6° 16.6°
09-10
28.8° 19.4°
1.5 mm
09-11
28.3° 17.5°
Both models agree
Avg diff: 3.3°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:51 UTC.