Mem Martins, Sintra, Portugal Air Quality

Monitoring Station · Algueirão, Portugal
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
59 4pm
59
59
61 7pm
59
59
59 10pm
59
59
59 1am
59
59
59 4am
59
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— 7am
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— 10am
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— 1pm
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CAMS model adj +34
25
25
25
27
25
25
25
25
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.521.1 µg/m³ ×1.4 WHO
Moderate
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Nearby Monitoring Stations

-
QSintra_Sensor1
3.1 km PM2.5: 0.0 µg/m³
2
Aldeia de Juzo
10.8 km PM2.5: 0.6 µg/m³
25
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 6.0 µg/m³
35
Olivais, Lisboa, Portugal
20.8 km PM2.5: 8.4 µg/m³
25
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 6.0 µg/m³
51
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 12.1 µg/m³
39
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 9.4 µg/m³
8
Paio Pires, Seixal
29.4 km PM2.5: 2.0 µg/m³

Nearby Cities

9 Algueirão 10 Rio de Mouro 7 Sintra 12 Cacém 15 Massamá 15 Belas 5 Alcabideche 17 Olival 17 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-09T19:04 UTC.