Air Quality in Paço de Arcos, Portugal

Cloudy
18.3°C · 89.0% humidity
18.3°
Feels 18.3°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
83 5am
83
83
54 8am
42
48
52 11am
55
58
79 2pm
80
81
82 5pm
62
62
62 8pm
63
63
56 11pm
56
56
56 2am
56
56
Station readings
73
75
75
CAMS model adj +29
54
54
54
54
34
34
34
34
34
54
54
54
54
34
34
34
34
34
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Paço de Arcos'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
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.32 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Paço de Arcos?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.513.32 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (2 stations within 25 km)
13.32
Median
13.13
Average
4.3
Low
21.97
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +0.2

What is the 7-day forecast for Paço de Arcos?

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: 2.6°C

Where are air quality stations near Paço de Arcos?

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

What cities are near Paço de Arcos?

56 Oeiras 58 Carcavelos 62 São Domingos de Rana 37 Linda-a-Velha 39 Carnaxide 34 Algés 62 Parede 56 Massamá 28 Alfragide 46 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 2026-07-22T07:47 UTC.