Air Quality in Cacém, Portugal

Windy
21.0°C · 54.1% humidity
21.0°
Feels 21.0°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
68 3pm
72
64
62 6pm
65
65
65 9pm
65
45
45 12am
45
45
45 3am
45
45
45 6am
45
45
45 9am
45
45
45 12pm
45
38
Station readings
68
72
64
CAMS model adj +11
54
54
54
54
54
54
54
54
34
34
34
34
34
34
34
34
34
34
34
34
34
34
34
27
AD 728×90

Air Quality Index Trend

47h · 2 stn

Cacém'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 Cacém is 1.2× the WHO 24-hour guideline of 15 µg/m³.

54.1%
Humidity
96.1 km/h
Wind NNW
1016.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
62
17.47 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Cacém?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.517.47 µg/m³ ×1.2 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (3 stations within 25 km)
17.47
Median
15.33
Average
8.2
Low
21.04
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -6.6

What is the 7-day forecast for Cacém?

09-05
30.1° 20.7°
09-06
26.4° 18.4°
09-07
27.9° 17.8°
09-08
26.1° 19.2°
1.37 mm
09-09
33.9° 18.0°
09-10
27.8° 21.1°
0.44 mm
09-11
26.1° 19.3°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Cacém?

46
Mem Martins, Sintra, Portugal
4.7 km PM2.5: 11.0 µg/m³
66
QSintra_Sensor1
7.8 km 30.0°C 51.0% RH PM2.5: 19.3 µg/m³ PM10: 21.5 µg/m³
34
Entrecampos, Lisboa, Portugal
13.1 km PM2.5: 8.2 µg/m³
37
Entrecampos, Lisboa, Portugal
13.1 km PM2.5: 8.9 µg/m³
58
Aldeia de Juzo
13.8 km 33.8°C 40.0% RH PM2.5: 15.2 µg/m³ PM10: 16.1 µg/m³
34
Olivais, Lisboa, Portugal
16.5 km PM2.5: 8.2 µg/m³
24
Laranjeiro, Almada, Portugal
16.7 km PM2.5: 5.8 µg/m³

What cities are near Cacém?

59 Massamá 66 Rio de Mouro 57 Belas 54 Queluz 54 Olival 68 Algueirão 48 Amadora 48 Falagueira 52 Carnaxide 52 Linda-a-Velha
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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 2026-09-05T17:54 UTC.