Air Quality in Massamá, Portugal

Drizzle
22.5°C · 52.9% humidity
22.5°
Feels 22.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 12pm
32
30
25 3pm
28
31
33 6pm
34
35
15 9pm
9
9
9 12am
10
10
10 3am
10
10
10 6am
10
10
17 9am
17
17
Station readings
30
32
30
27
CAMS model adj -17
54
54
54
54
54
54
54
54
54
34
27
27
27
27
27
27
27
27
27
27
27
34
34
34
AD 728×90

Air Quality Index Trend

48h · 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.

52.9%
Humidity
43.4 km/h
Wind SSE
1015.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
25
6.06 µg/m³
PM10▲
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Massamá?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.56.06 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
6.06
Median
6.41
Average
4.1
Low
8.83
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +7.4

What is the 7-day forecast for Massamá?

05-30
22.5° 15.1°
0.5 mm
05-31
20.2° 15.7°
0.06 mm
06-01
22.4° 15.7°
06-02
20.2° 14.3°
0.56 mm
06-03
25.8° 17.4°
1.63 mm
06-04
22.5° 16.3°
06-05
27.3° 18.2°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Massamá?

38
Mem Martins, Sintra, Portugal
6.8 km PM2.5: 9.1 µg/m³
43
Mem Martins, Sintra, Portugal
6.8 km PM2.5: 10.3 µg/m³
24
QSintra_Sensor1
9.8 km 26.0°C 51.0% RH PM2.5: 5.7 µg/m³ PM10: 6.5 µg/m³
57
Entrecampos, Lisboa, Portugal
11.5 km PM2.5: 15.0 µg/m³
30
Laranjeiro, Almada, Portugal
14.6 km PM2.5: 7.2 µg/m³
51
Laranjeiro, Almada, Portugal
14.6 km PM2.5: 12.1 µg/m³
33
Aldeia de Juzo
14.9 km 28.8°C 38.0% RH PM2.5: 7.9 µg/m³ PM10: 8.9 µg/m³
59
Olivais, Lisboa, Portugal
15.1 km PM2.5: 15.9 µg/m³
41
Olivais, Lisboa, Portugal
15.1 km PM2.5: 9.8 µg/m³
25
Paio Pires, Seixal
22.7 km PM2.5: 6.0 µg/m³ PM10: 21.0 µg/m³

What cities are near Massamá?

26 Cacém 23 Queluz 24 Belas 23 Olival 22 Carnaxide 27 Rio de Mouro 21 Amadora 21 Falagueira 22 Linda-a-Velha 20 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 2026-05-30T14:24 UTC.