Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
44 7am
44
44
44 10am
44
44
44 1pm
44
42
42 4pm
42
42
42 7pm
44
—
— 10pm
—
—
— 1am
—
—
— 4am
—
—
CAMS model adj +17
27
27
27
27
27
27
27
27
25
25
25
25
25
27

Air Quality Trend (24h)

PM2.514.5 µg/m³ ✓ WHO
Moderate
View city history →

Nearby Monitoring Stations

35
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 8.4 µg/m³
35
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 8.4 µg/m³
14
QSintra_Sensor1
3.1 km PM2.5: 3.4 µg/m³
29
Aldeia de Juzo
10.8 km PM2.5: 7.0 µg/m³
42
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 10.1 µg/m³
59
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 15.9 µg/m³
30
Olivais, Lisboa, Portugal
20.8 km PM2.5: 7.2 µg/m³
46
Olivais, Lisboa, Portugal
20.8 km PM2.5: 11.0 µg/m³

Nearby Cities

52 Algueirão 52 Rio de Mouro 52 Sintra 54 Cacém 54 Massamá 54 Belas 52 Alcabideche 54 Olival 54 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T10:28 UTC.