Air Quality in Oeiras, Portugal
Windy
17.1°C · 57.0% humidity
17.1°
Feels 17.1°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations
Nearby Monitoring Stations
Oeiras's air quality — share it
AQI Forecast
Calibrated
34
1pm
32
28
20
4pm
24
27
29
7pm
30
11
5
10pm
6
6
6
1am
7
7
7
4am
7
7
7
7am
7
14
14
10am
14
14
Station readings
34
32
28
28
CAMS model
adj -20
54
54
54
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
Air Quality Index Trend
48h · 2 stnOeiras'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.
57.0%
Humidity
81.5 km/h
Wind NW
1018.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.78 µg/m³
PM10▲
34.3 µg/m³
050100150200300500
What is the weather forecast for Oeiras?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.54.78 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (6 stations within 25 km)
4.78
Median
5.01
Average
1.7
Low
8.43
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +8.7
What is the 7-day forecast for Oeiras?
05-30
22.5° 15.1°
0.5 mm
05-31
20.2° 15.7°
0.06 mm
06-01
22.4° 15.7°
06-02
20.2° 14.3°
0.56 mm
06-03
25.8° 17.4°
1.63 mm
06-04
22.5° 16.3°
06-05
27.3° 18.2°
Both models agree
Avg diff: 3.1°C
Where are air quality stations near Oeiras?
43
Mem Martins, Sintra, Portugal
38
Mem Martins, Sintra, Portugal
33
Aldeia de Juzo
24
QSintra_Sensor1
21
Laranjeiro, Almada, Portugal
42
Laranjeiro, Almada, Portugal
50
Entrecampos, Lisboa, Portugal
59
Olivais, Lisboa, Portugal
29
Olivais, Lisboa, Portugal
25
Paio Pires, Seixal
What cities are near Oeiras?
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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 2026-05-30T15:28 UTC.