Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
60 4am
60
60
80 7am
60
60
53 10am
53
53
51 1pm
51
51
51 4pm
51
51
— 7pm
—
—
— 10pm
—
—
— 1am
—
—
CAMS model adj +26
34
34
34
54
34
34
27
27
27
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.55.3 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

20
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 4.8 µg/m³
11
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 2.6 µg/m³
5
QSintra_Sensor1
3.1 km PM2.5: 1.2 µg/m³
7
Aldeia de Juzo
10.8 km PM2.5: 1.6 µg/m³
18
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 4.3 µg/m³
13
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 3.1 µg/m³
23
Olivais, Lisboa, Portugal
20.8 km PM2.5: 5.5 µg/m³
15
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 3.6 µg/m³

Nearby Cities

17 Algueirão 15 Rio de Mouro 18 Sintra 15 Cacém 14 Massamá 14 Belas 8 Alcabideche 14 Olival 14 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T07:26 UTC.