Mem Martins, Sintra, Portugal Air Quality

Monitoring Station · Algueirão, Portugal
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
24 6am
26
26
26 9am
19
19
26 12pm
46
26
26 3pm
19
19
19 6pm
19
19
— 9pm
—
—
— 12am
—
—
— 3am
—
—
CAMS model adj -8
34
34
34
34
27
27
34
54
34
34
27
27
27
27
27

Air Quality Forecast (24h)

PM2.55.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

-
QSintra_Sensor1
3.1 km PM2.5: 0.0 µg/m³
6
Aldeia de Juzo
10.8 km PM2.5: 1.4 µg/m³
25
Olivais, Lisboa, Portugal
20.8 km PM2.5: 6.0 µg/m³
25
Olivais, Lisboa, Portugal
20.8 km PM2.5: 6.0 µg/m³
30
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 7.2 µg/m³
73
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 22.6 µg/m³
14
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 3.4 µg/m³
8
Paio Pires, Seixal
29.4 km PM2.5: 2.0 µg/m³

Nearby Cities

2 Algueirão 2 Rio de Mouro 2 Sintra 2 Cacém 2 Massamá 2 Belas 2 Alcabideche 2 Olival 2 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T09:05 UTC.