Mem Martins, Sintra, Portugal Air Quality

Monitoring Station · Algueirão, Portugal

8

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

8 10pm

64

64

64 1am

64

64

64 4am

64

64

64 7am

64

64

64 10am

64

64

— 1pm

—

—

— 4pm

—

—

— 7pm

—

—

CAMS model adj +39

25

25

25

25

25

25

25

25

25

25

25

25

25

25

25

Air Quality Forecast (24h)

PM2.51.9 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

Mem Martins, Sintra, Portugal

0.0 km PM2.5: 12.0 µg/m³

QSintra_Sensor1

3.1 km PM2.5: 0.0 µg/m³

10.8 km PM2.5: 0.7 µg/m³

Entrecampos, Lisboa, Portugal

17.7 km PM2.5: 6.7 µg/m³

Olivais, Lisboa, Portugal

20.8 km PM2.5: 7.2 µg/m³

Olivais, Lisboa, Portugal

20.8 km PM2.5: 7.2 µg/m³

Laranjeiro, Almada, Portugal

21.3 km PM2.5: 7.9 µg/m³

Laranjeiro, Almada, Portugal

21.3 km PM2.5: 6.7 µg/m³

Nearby Cities

14 Algueirão 14 Rio de Mouro 5 Sintra 14 Cacém 16 Massamá 17 Belas 6 Alcabideche 19 Olival 19 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T01:55 UTC.