Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
33 3am
75
75
75 6am
75
75
50 9am
37
25
25 12pm
25
25
25 3pm
25
25
— 6pm
—
—
— 9pm
—
—
— 12am
—
—

Air Quality Trend (24h)

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Nearby Monitoring Stations

17
Mem Martins, Sintra, Portugal
0.0 km
15
QSintra_Sensor1
3.1 km PM2.5: 3.6 µg/m³
26
Aldeia de Juzo
10.8 km PM2.5: 6.2 µg/m³
50
Entrecampos, Lisboa, Portugal
17.7 km
57
Entrecampos, Lisboa, Portugal
17.7 km
25
Olivais, Lisboa, Portugal
20.8 km
30
Olivais, Lisboa, Portugal
20.8 km
42
Laranjeiro, Almada, Portugal
21.3 km

Nearby Cities

24 Algueirão 24 Rio de Mouro 24 Sintra 24 Cacém 24 Massamá 24 Belas 24 Alcabideche 24 Olival 24 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-11T06:53 UTC.