Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
99 4am
99
99
99 7am
99
99
99 10am
99
99
75 1pm
75
75
75 4pm
75
—
— 7pm
—
—
— 10pm
—
—
— 1am
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Air Quality Trend (24h)

Nearby Monitoring Stations

18
QSintra_Sensor1
3.1 km PM2.5: 4.2 µg/m³
89
Aldeia de Juzo
10.8 km PM2.5: 30.2 µg/m³
57
Entrecampos, Lisboa, Portugal
17.7 km
34
Olivais, Lisboa, Portugal
20.8 km
21
Paio Pires, Seixal
29.4 km PM2.5: 5.0 µg/m³

Nearby Cities

60 Algueirão 60 Rio de Mouro 60 Sintra 60 Cacém 60 Massamá 60 Belas 60 Alcabideche 60 Olival 60 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T07:14 UTC.