Air Quality in Massamá, Portugal

Windy
23.7°C · 31.7% humidity
23.7°
Feels 23.7°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 11am
14
8
19 2pm
17
23
22 5pm
21
20
40 8pm
40
39
19 11pm
19
19
19 2am
19
19
19 5am
19
19
19 8am
19
19
Station readings
20
14
8
6
CAMS model adj -15
27
27
27
27
27
34
34
34
34
54
54
54
34
34
34
34
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
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
19
4.47 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Massamá?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.54.47 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
4.47
Median
4.98
Average
1.5
Low
7.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.8

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?

28
Mem Martins, Sintra, Portugal
6.8 km PM2.5: 6.7 µg/m³
34
Mem Martins, Sintra, Portugal
6.8 km PM2.5: 8.2 µg/m³
3
QSintra_Sensor1
9.8 km 24.0°C 48.0% RH PM2.5: 0.7 µg/m³ PM10: 1.1 µg/m³
31
Entrecampos, Lisboa, Portugal
11.5 km PM2.5: 7.4 µg/m³
34
Laranjeiro, Almada, Portugal
14.6 km PM2.5: 8.2 µg/m³
32
Laranjeiro, Almada, Portugal
14.6 km PM2.5: 7.7 µg/m³
14
Aldeia de Juzo
14.9 km 23.3°C 44.0% RH PM2.5: 3.4 µg/m³ PM10: 4.8 µg/m³
46
Olivais, Lisboa, Portugal
15.1 km PM2.5: 11.0 µg/m³
36
Olivais, Lisboa, Portugal
15.1 km PM2.5: 8.6 µg/m³
8
Paio Pires, Seixal
22.7 km PM2.5: 2.0 µg/m³ PM10: 21.0 µg/m³

What cities are near Massamá?

15 Cacém 23 Queluz 20 Belas 23 Olival 24 Carnaxide 12 Rio de Mouro 25 Amadora 26 Falagueira 24 Linda-a-Velha 27 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 2026-06-09T13:29 UTC.