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 5am
60
80
60 8am
60
53
53 11am
53
51
51 2pm
51
51
51 5pm
51
51
— 8pm
—
—
— 11pm
—
—
— 2am
—
—
CAMS model adj +26
34
34
54
34
34
27
27
27
25
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.55.3 µg/m³ ✓ WHO
Good
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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
76
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 24.0 µg/m³
4
QSintra_Sensor1
3.1 km PM2.5: 0.9 µg/m³
23
Aldeia de Juzo
10.8 km PM2.5: 5.5 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
28
Olivais, Lisboa, Portugal
20.8 km PM2.5: 6.7 µg/m³

Nearby Cities

6 Algueirão 7 Rio de Mouro 5 Sintra 7 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 2026-04-15T08:15 UTC.