Air Quality in Paço de Arcos, Portugal

Windy
23.7°C · 31.7% humidity
23.7°
Feels 23.7°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 9am
14
20
23 12pm
20
18
17 3pm
23
22
21 6pm
21
41
40 9pm
40
20
20 12am
20
20
20 3am
20
20
20 6am
20
20
Station readings
12
14
20
CAMS model adj -14
27
27
27
27
27
27
27
34
34
34
34
54
54
54
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

46h · 2 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.

31.7%
Humidity
98.1 km/h
Wind NNW
1013.5 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.46 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Paço de Arcos?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.55.46 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
5.46
Median
5.43
Average
3.95
Low
8.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.8
Both models agree Avg diff: 4.7°C

Where are air quality stations near Paço de Arcos?

52
Mem Martins, Sintra, Portugal
11.0 km PM2.5: 12.6 µg/m³
26
Mem Martins, Sintra, Portugal
11.0 km PM2.5: 6.2 µg/m³
31
Laranjeiro, Almada, Portugal
12.1 km PM2.5: 7.4 µg/m³
35
Laranjeiro, Almada, Portugal
12.1 km PM2.5: 8.4 µg/m³
22
QSintra_Sensor1
13.4 km 21.0°C 61.0% RH PM2.5: 5.3 µg/m³ PM10: 6.0 µg/m³
28
Entrecampos, Lisboa, Portugal
13.7 km PM2.5: 6.7 µg/m³
17
Aldeia de Juzo
14.4 km 31.1°C 32.0% RH PM2.5: 4.0 µg/m³ PM10: 5.0 µg/m³
24
Olivais, Lisboa, Portugal
17.9 km PM2.5: 5.8 µg/m³
26
Olivais, Lisboa, Portugal
17.9 km PM2.5: 6.2 µg/m³
8
Paio Pires, Seixal
20.0 km PM2.5: 2.0 µg/m³ PM10: 22.0 µg/m³

What cities are near Paço de Arcos?

21 Oeiras 21 Carcavelos 20 São Domingos de Rana 28 Linda-a-Velha 28 Carnaxide 29 Algés 19 Parede 23 Massamá 30 Alfragide 26 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 2026-06-09T11:07 UTC.