Mem Martins, Sintra, Portugal

Monitoring Station · Algueirão, Portugal
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
34 5pm
29
34
36 8pm
36
36
36 11pm
36
43
43 2am
43
43
43 5am
43
63
— 8am
—
—
— 11am
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— 2pm
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Station readings
29
CAMS model adj +9
25
25
25
27
27
27
27
27
34
34
34
34
34
34
54

Air Quality Trend (24h)

PM2.57.0 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

8
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 1.9 µg/m³
31
Mem Martins, Sintra, Portugal
0.0 km PM2.5: 7.4 µg/m³
15
QSintra_Sensor1
3.1 km PM2.5: 3.5 µg/m³
7
Aldeia de Juzo
10.8 km PM2.5: 1.7 µg/m³
24
Entrecampos, Lisboa, Portugal
17.7 km PM2.5: 5.8 µg/m³
53
Olivais, Lisboa, Portugal
20.8 km PM2.5: 13.1 µg/m³
27
Olivais, Lisboa, Portugal
20.8 km PM2.5: 6.5 µg/m³
61
Laranjeiro, Almada, Portugal
21.3 km PM2.5: 16.9 µg/m³

Nearby Cities

27 Algueirão 26 Rio de Mouro 16 Sintra 24 Cacém 23 Massamá 23 Belas 14 Alcabideche 23 Olival 22 Queluz

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T20:31 UTC.