Air Quality in Algueirão, Portugal

Windy
18.7°C · 93.6% humidity
18.7°
Feels 18.7°
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
63 4am
83
83
73 7am
76
58
59 10am
60
61
62 1pm
82
82
83 4pm
83
63
63 7pm
63
63
63 10pm
56
56
56 1am
56
56
Station readings
71
73
75
75
CAMS model adj +29
34
54
54
54
54
34
34
34
34
34
54
54
54
54
34
34
34
34
34
27
27
27
27
27
AD 728×90

Air Quality Index Trend

48h · 1 stn

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. Current PM2.5 concentration in Algueirão is 1.5× the WHO 24-hour guideline of 15 µg/m³.

93.6%
Humidity
44.0 km/h
Wind NNW
1018.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
73
22.62 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Algueirão?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.522.62 µg/m³ ×1.5 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
22.62
Median
14.02
Average
4.8
Low
23.24
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -9.1

What is the 7-day forecast for Algueirão?

07-22
20.5° 18.7°
07-23
20.1° 18.7°
1.5 mm
07-24
19.7° 18.6°
07-25
20.3° 18.7°
0.06 mm
07-26
19.6° 18.1°
07-27
20.1° 18.8°
0.06 mm
07-28
21.5° 18.7°
0.19 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Algueirão?

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

What cities are near Algueirão?

74 Sintra 70 Rio de Mouro 64 Cacém 55 Belas 58 Massamá 49 Olival 49 Queluz 71 Alcabideche 64 São Domingos de Rana 36 Falagueira
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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 2026-07-22T06:43 UTC.