Mem Martins, Sintra, Portugal Air Quality

Monitoring Station · Algueirão, Portugal
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
27 5pm
44
44
44 8pm
44
42
42 11pm
42
71
71 2am
71
71
71 5am
71
71
— 8am
—
—
— 11am
—
—
— 2pm
—
—
CAMS model adj +17
27
27
27
27
27
25
25
25
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.56.5 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

35
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 8.4 µg/m³
6
QSintra_Sensor1
3.1 km PM2.5: 1.4 µg/m³
16
Aldeia de Juzo
10.8 km PM2.5: 3.8 µg/m³
55
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 14.0 µg/m³
16
Olivais, Lisboa, Portugal
20.8 km PM2.5: 3.8 µg/m³
43
Olivais, Lisboa, Portugal
20.8 km PM2.5: 10.3 µg/m³
48
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 11.5 µg/m³
8
Paio Pires, Seixal
29.4 km PM2.5: 2.0 µg/m³

Nearby Cities

61 Algueirão 59 Rio de Mouro 11 Sintra 55 Cacém 51 Massamá 50 Belas 27 Alcabideche 45 Olival 45 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T20:12 UTC.