Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
76
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
35 6am
55
35
35 9am
28
28
28 12pm
26
26
26 3pm
26
26
26 6pm
26
26
— 9pm
—
—
— 12am
—
—
— 3am
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—
CAMS model adj +1
34
54
34
34
27
27
27
25
25
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.524.0 µg/m³ ×1.6 WHO
Moderate
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Nearby Monitoring Stations

23
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 5.5 µg/m³
22
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 5.3 µg/m³
-
QSintra_Sensor1
3.1 km PM2.5: 0.0 µg/m³
7
Aldeia de Juzo
10.8 km PM2.5: 1.6 µg/m³
23
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 5.5 µg/m³
28
Olivais, Lisboa, Portugal
20.8 km PM2.5: 6.7 µg/m³
59
Olivais, Lisboa, Portugal
20.8 km PM2.5: 15.9 µg/m³
35
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 8.4 µg/m³

Nearby Cities

5 Algueirão 6 Rio de Mouro 5 Sintra 6 Cacém 7 Massamá 7 Belas 10 Alcabideche 7 Olival 7 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T09:50 UTC.