Air Quality in Alfragide, Portugal

Cloudy
18.3°C · 89.0% humidity
18.3°
Feels 18.3°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
63 4am
83
83
31 7am
46
36
44 10am
49
53
56 1pm
78
79
80 4pm
81
62
62 7pm
62
63
63 10pm
56
56
56 1am
56
56
Station readings
71
73
75
75
CAMS model adj +29
34
54
54
54
54
34
34
34
34
34
54
54
54
54
34
34
34
34
34
27
27
27
27
27
AD 728×90

Air Quality Index Trend

48h · 1 stn

Alfragide'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.

89.0%
Humidity
23.9 km/h
Wind NNW
1018.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.41 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Alfragide?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.57.41 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
7.41
Median
14.02
Average
4.8
Low
23.24
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +6.1

What is the 7-day forecast for Alfragide?

07-22
26.7° 18.3°
07-23
33.2° 19.2°
0.44 mm
07-24
25.3° 18.6°
07-25
24.3° 18.4°
07-26
26.5° 16.6°
07-27
27.2° 18.8°
07-28
38.0° 18.4°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Alfragide?

11
Entrecampos, Lisboa, Portugal
6.4 km PM2.5: 2.6 µg/m³
29
Laranjeiro, Almada, Portugal
9.3 km PM2.5: 7.0 µg/m³
20
Laranjeiro, Almada, Portugal
9.3 km PM2.5: 4.8 µg/m³
24
Olivais, Lisboa, Portugal
10.5 km PM2.5: 5.8 µg/m³
38
Olivais, Lisboa, Portugal
10.5 km PM2.5: 9.1 µg/m³
21
Mem Martins, Sintra, Portugal
12.6 km PM2.5: 5.0 µg/m³
30
Mem Martins, Sintra, Portugal
12.6 km PM2.5: 7.2 µg/m³
75
QSintra_Sensor1
15.7 km 21.1°C 78.0% RH PM2.5: 23.3 µg/m³ PM10: 26.1 µg/m³
17
Paio Pires, Seixal
17.2 km PM2.5: 4.0 µg/m³ PM10: 16.0 µg/m³
9
Aldeia de Juzo
20.1 km 26.1°C 52.0% RH PM2.5: 2.1 µg/m³ PM10: 2.5 µg/m³

What cities are near Alfragide?

25 Buraca 29 Damaia 42 Carnaxide 26 Benfica 36 Amadora 40 Linda-a-Velha 36 Algés 27 Alfornelos 36 Falagueira 49 Queluz
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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 2026-07-22T06:42 UTC.