Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
28 5pm
28
28
30 8pm
30
30
30 11pm
30
37
37 2am
37
37
37 5am
37
57
— 8am
—
—
— 11am
—
—
— 2pm
—
—
CAMS model adj +3
25
25
25
27
27
27
27
27
34
34
34
34
34
34
54

Air Quality Trend (24h)

PM2.57.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

8
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 1.9 µg/m³
29
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 7.0 µg/m³
15
QSintra_Sensor1
3.1 km PM2.5: 3.5 µg/m³
7
Aldeia de Juzo
10.8 km PM2.5: 1.7 µg/m³
24
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 5.8 µg/m³
53
Olivais, Lisboa, Portugal
20.8 km PM2.5: 13.1 µg/m³
27
Olivais, Lisboa, Portugal
20.8 km PM2.5: 6.5 µg/m³
61
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 16.9 µg/m³

Nearby Cities

27 Algueirão 26 Rio de Mouro 16 Sintra 24 Cacém 23 Massamá 23 Belas 14 Alcabideche 23 Olival 22 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T20:28 UTC.