What is the air quality in Paço de Arcos today?

The current Air Quality Index (AQI) in Paço de Arcos is 22 (Good). PM2.5 concentration is 5.18 µg/m³.

What is the temperature in Paço de Arcos right now?

The current temperature in Paço de Arcos is 17.9°C (feels like 17.9°C). Humidity is 68.6% and wind speed is 33.2 km/h.

Is it safe to go outside in Paço de Arcos?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Paço de Arcos, Portugal

Partly Cloudy

17.9°C · 68.6% humidity

17.9°

Feels 17.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

46h · 1 stn

View full history →

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.

68.6%

Humidity

33.2 km/h

Wind S

1014.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.18 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Paço de Arcos?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station

PM2.55.18 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (10 stations within 25 km)

5.18

Median

5.34

Average

0.87

Low

7.9

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +0.8

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

10-21

25.3° 14.9°

0.06 mm

10-22

24.7° 16.8°

1.63 mm

10-23

19.3° 14.8°

0.38 mm

10-24

20.8° 16.1°

10-25

23.3° 16.9°

10-26

19.2° 14.2°

10-27

27.4° 14.2°

8.5 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Paço de Arcos?

Mem Martins, Sintra, Portugal

11.0 km PM2.5: 9.6 µg/m³

Mem Martins, Sintra, Portugal

11.0 km PM2.5: 4.1 µg/m³

Mem Martins, Sintra, Portugal

11.0 km PM2.5: 2.4 µg/m³

Laranjeiro, Almada, Portugal

12.1 km PM2.5: 4.1 µg/m³

Laranjeiro, Almada, Portugal

12.1 km PM2.5: 3.6 µg/m³

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QSintra_Sensor1

13.4 km 20.0°C 41.0% RH PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

Entrecampos, Lisboa, Portugal

13.7 km PM2.5: 7.9 µg/m³

Entrecampos, Lisboa, Portugal

13.7 km PM2.5: 3.1 µg/m³

Entrecampos, Lisboa, Portugal

13.7 km PM2.5: 5.5 µg/m³

Aldeia de Juzo

14.4 km 22.7°C 36.0% RH PM2.5: 0.8 µg/m³ PM10: 1.3 µg/m³

What cities are near Paço de Arcos?

21 Oeiras 20 Carcavelos 19 São Domingos de Rana 23 Linda-a-Velha 23 Carnaxide 23 Algés 18 Parede 22 Massamá 25 Alfragide 23 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 2026-10-21T16:00 UTC.