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
39 5am
39
39
39 8am
39
39
39 11am
39
39
39 2pm
37
37
37 5pm
37
—
— 8pm
—
—
— 11pm
—
—
— 2am
—
—
CAMS model adj +12
27
27
27
27
27
27
27
27
27
27
25
25
25
25

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

12 Algueirão 15 Rio de Mouro 10 Sintra 16 Cacém 17 Massamá 16 Belas 28 Alcabideche 17 Olival 18 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T08:55 UTC.