What is the air quality in Algueirão today?

The current Air Quality Index (AQI) in Algueirão is 20 (Good). PM2.5 concentration is 4.94 µg/m³.

What is the temperature in Algueirão right now?

The current temperature in Algueirão is 17.7°C (feels like 17.7°C). Humidity is 80.9% and wind speed is 59.4 km/h.

Is it safe to go outside in Algueirão?

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

Air Quality in Algueirão, Portugal

Drizzle

17.7°C · 80.9% humidity

17.7°

Feels 17.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

— 1pm

—

— 4pm

—

— 7pm

—

— 10pm

—

— 1am

—

— 4am

—

— 7am

—

— 10am

—

Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

Algueirão'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.

80.9%

Humidity

59.4 km/h

Wind SSE

1014.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.94 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Algueirão?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.54.94 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (10 stations within 25 km)

4.94

Median

5.34

Average

0.87

Low

7.9

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +1.1

What is the 7-day forecast for Algueirão?

10-21

18.6° 16.5°

0.31 mm

10-22

20.8° 17.3°

2.19 mm

10-23

18.8° 15.4°

0.56 mm

10-24

18.6° 16.7°

10-25

19.8° 16.9°

10-26

18.3° 15.9°

10-27

19.4° 15.2°

4.88 mm

Both models agree Avg diff: 2.7°C

Where are air quality stations near Algueirão?

Mem Martins, Sintra, Portugal

1.4 km PM2.5: 4.1 µg/m³

Mem Martins, Sintra, Portugal

1.4 km PM2.5: 2.4 µg/m³

Mem Martins, Sintra, Portugal

1.4 km PM2.5: 9.6 µg/m³

–

QSintra_Sensor1

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

Aldeia de Juzo

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

Entrecampos, Lisboa, Portugal

17.7 km PM2.5: 3.1 µg/m³

Entrecampos, Lisboa, Portugal

17.7 km PM2.5: 7.9 µg/m³

Entrecampos, Lisboa, Portugal

17.7 km PM2.5: 5.5 µg/m³

Olivais, Lisboa, Portugal

20.7 km PM2.5: 5.3 µg/m³

Olivais, Lisboa, Portugal

20.7 km PM2.5: 1.2 µg/m³

What cities are near Algueirão?

20 Sintra 20 Rio de Mouro 21 Cacém 23 Belas 22 Massamá 23 Olival 23 Queluz 10 Alcabideche 19 São Domingos de Rana 25 Falagueira

Get AQI alerts for Algueirão

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T15:59 UTC.