Air Quality in Cascais, Portugal

Windy
19.4°C · 83.2% humidity
19.4°
Feels 19.4°
3
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
6 12am
6
6
3 3am
6
6
6 6am
6
6
6 9am
6
6
26 12pm
26
6
6 3pm
6
6
6 6pm
6
6
6 9pm
6
0
Station readings
8
7
12
CAMS model adj -28
34
34
34
34
34
34
34
34
34
34
34
34
54
54
34
34
34
34
34
34
34
34
34
27
AD 728×90

Air Quality Index Trend

46h · 1 stn

Cascais'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.

83.2%
Humidity
152.3 km/h
Wind NNW
1017.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
3
0.65 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Cascais?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.50.65 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
0.65
Median
0.63
Average
0.62
Low
0.65
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +6.4

What is the 7-day forecast for Cascais?

08-03
24.8° 19.1°
0.19 mm
08-04
21.8° 19.2°
0.19 mm
08-05
20.6° 19.5°
08-06
20.2° 18.7°
08-07
21.1° 19.3°
08-08
20.8° 19.6°
0.06 mm
08-09
21.1° 19.6°
Both models agree Avg diff: 1.7°C

Where are air quality stations near Cascais?

12
Aldeia de Juzo
4.6 km 28.8°C 42.0% RH PM2.5: 2.8 µg/m³ PM10: 3.3 µg/m³
–
QSintra_Sensor1
11.3 km 24.0°C 51.4% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
31
Mem Martins, Sintra, Portugal
11.7 km PM2.5: 7.4 µg/m³
88
Mem Martins, Sintra, Portugal
11.7 km PM2.5: 29.7 µg/m³
13
Laranjeiro, Almada, Portugal
23.2 km PM2.5: 3.1 µg/m³
40
Laranjeiro, Almada, Portugal
23.2 km PM2.5: 9.6 µg/m³
21
Entrecampos, Lisboa, Portugal
24.3 km PM2.5: 5.0 µg/m³
21
Entrecampos, Lisboa, Portugal
24.3 km PM2.5: 5.0 µg/m³

What cities are near Cascais?

2 Monte Estoril 2 Estoril 2 Alcabideche 2 Parede 2 São Domingos de Rana 2 Carcavelos 2 Oeiras 2 Rio de Mouro 2 Paço de Arcos 2 Sintra
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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 2026-08-08T02:35 UTC.