Air Quality in Massamá, Portugal

Windy
23.7°C · 31.7% humidity
23.7°
Feels 23.7°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 7am
7
10
10 10am
10
10
10 1pm
10
10
17 4pm
17
17
17 7pm
37
37
37 10pm
17
17
17 1am
17
17
17 4am
17
17
Station readings
10
7
12
13
CAMS model adj -17
25
25
27
27
27
27
27
27
27
34
34
34
34
54
54
54
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

47h · 2 stn

Massamá'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.

31.7%
Humidity
98.1 km/h
Wind NNW
1013.5 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
10
2.36 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Massamá?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.52.36 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (2 stations within 25 km)
2.36
Median
2.64
Average
1.92
Low
3.37
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.9

What is the 7-day forecast for Massamá?

06-09
23.7° 14.7°
06-10
21.4° 15.9°
0.06 mm
06-11
36.6° 21.6°
06-12
33.5° 17.6°
06-13
27.0° 16.0°
06-14
22.4° 16.3°
0.19 mm
06-15
26.0° 17.1°
Both models agree Avg diff: 4.7°C

Where are air quality stations near Massamá?

22
Mem Martins, Sintra, Portugal
6.8 km PM2.5: 5.3 µg/m³
26
Mem Martins, Sintra, Portugal
6.8 km PM2.5: 6.2 µg/m³
12
QSintra_Sensor1
9.8 km 18.0°C 68.0% RH PM2.5: 2.9 µg/m³ PM10: 3.2 µg/m³
28
Entrecampos, Lisboa, Portugal
11.5 km PM2.5: 6.7 µg/m³
31
Laranjeiro, Almada, Portugal
14.6 km PM2.5: 7.4 µg/m³
17
Laranjeiro, Almada, Portugal
14.6 km PM2.5: 4.1 µg/m³
16
Aldeia de Juzo
14.9 km 30.5°C 33.0% RH PM2.5: 3.9 µg/m³ PM10: 5.0 µg/m³
24
Olivais, Lisboa, Portugal
15.1 km PM2.5: 5.8 µg/m³
26
Olivais, Lisboa, Portugal
15.1 km PM2.5: 6.2 µg/m³
8
Paio Pires, Seixal
22.7 km PM2.5: 2.0 µg/m³ PM10: 22.0 µg/m³

What cities are near Massamá?

10 Cacém 10 Queluz 10 Belas 10 Olival 10 Carnaxide 9 Rio de Mouro 10 Amadora 10 Falagueira 10 Linda-a-Velha 10 Alfragide
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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 2026-06-09T09:49 UTC.