Air Quality in Algueirão, Portugal

Windy
19.2°C · 79.9% humidity
19.2°
Feels 19.2°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
67 1pm
59
69
64 4pm
62
60
59 7pm
58
58
57 10pm
37
37
36 1am
36
36
36 4am
36
36
36 7am
36
36
36 10am
36
36
Station readings
67
59
69
CAMS model adj +2
54
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

47h · 2 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 1.2× the WHO 24-hour guideline of 15 µg/m³.

79.9%
Humidity
137.4 km/h
Wind N
1017.2 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.48 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Algueirão?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.518.48 µg/m³ ×1.2 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (3 stations within 25 km)
18.48
Median
15.39
Average
8.2
Low
19.3
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -7.6

What is the 7-day forecast for Algueirão?

09-05
21.2° 19.2°
09-06
20.1° 19.2°
09-07
20.9° 19.1°
09-08
20.9° 19.2°
1.19 mm
09-09
23.6° 19.1°
0.06 mm
09-10
22.3° 19.9°
0.19 mm
09-11
20.0° 19.1°
0.06 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Algueirão?

46
Mem Martins, Sintra, Portugal
1.4 km PM2.5: 11.0 µg/m³
69
QSintra_Sensor1
3.3 km 35.0°C 40.1% RH PM2.5: 20.6 µg/m³ PM10: 21.5 µg/m³
68
Aldeia de Juzo
11.9 km 35.5°C 35.0% RH PM2.5: 20.0 µg/m³ PM10: 21.3 µg/m³
37
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 8.9 µg/m³
34
Olivais, Lisboa, Portugal
20.7 km PM2.5: 8.2 µg/m³
27
Olivais, Lisboa, Portugal
20.7 km PM2.5: 6.5 µg/m³
40
Laranjeiro, Almada, Portugal
22.0 km PM2.5: 9.6 µg/m³
24
Laranjeiro, Almada, Portugal
22.0 km PM2.5: 5.8 µg/m³

What cities are near Algueirão?

65 Sintra 64 Rio de Mouro 62 Cacém 58 Belas 60 Massamá 56 Olival 57 Queluz 66 Alcabideche 63 São Domingos de Rana 53 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 2026-09-05T15:51 UTC.