Air Quality in Cascais, Portugal
Windy
17.0°C · 75.5% humidity
17.0°
Feels 17.0°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Cascais's air quality — share it
AQI Forecast
Calibrated
15
7am
12
11
13
10am
14
15
16
1pm
17
17
17
4pm
38
38
38
7pm
38
38
38
10pm
18
18
18
1am
38
38
38
4am
38
18
Station readings
15
12
12
16
CAMS model
adj -16
27
27
27
34
34
34
34
34
34
34
54
54
54
54
54
54
34
34
34
54
54
54
54
34
Air Quality Index Trend
47h · 2 stnCascais'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.
75.5%
Humidity
142.2 km/h
Wind NNW
1014.8 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.16 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Cascais?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.53.16 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX9.4
Very High
Station readings (2 stations within 25 km)
3.16
Median
2.64
Average
1.92
Low
3.37
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +3.9
What is the 7-day forecast for Cascais?
06-09
17.8° 15.8°
06-10
17.1° 16.3°
0.06 mm
06-11
22.3° 17.9°
06-12
21.2° 17.3°
06-13
19.2° 16.9°
06-14
18.1° 16.7°
0.38 mm
06-15
19.1° 17.2°
Both models agree
Avg diff: 3.5°C
Where are air quality stations near Cascais?
16
Aldeia de Juzo
12
QSintra_Sensor1
26
Mem Martins, Sintra, Portugal
22
Mem Martins, Sintra, Portugal
17
Laranjeiro, Almada, Portugal
31
Laranjeiro, Almada, Portugal
28
Entrecampos, Lisboa, Portugal
What cities are near Cascais?
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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 2026-06-09T09:49 UTC.