QSintra_Sensor1 Air Quality

Monitoring Station · Sintra, Portugal
23.5°
55.0% RH
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 1pm
24
24
25 4pm
26
26
26 7pm
6
0
0 10pm
0
0
0 1am
0
0
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
25
24
24
25
CAMS model adj -28
54
54
54
54
54
54
54
34
27
27
27
27
27
27
27
23.5°C
Temperature
55.0%
Humidity

Air Quality Forecast (24h)

PM2.55.9 µg/m³ ✓ WHO
Good
PM107.2 µg/m³
Good
View city history →

Nearby Monitoring Stations

43
Mem Martins, Sintra, Portugal
3.1 km PM2.5: 10.3 µg/m³
38
Mem Martins, Sintra, Portugal
3.1 km PM2.5: 9.1 µg/m³
35
Aldeia de Juzo
9.2 km PM2.5: 8.5 µg/m³
50
Entrecampos, Lisboa, Portugal
20.8 km PM2.5: 12.0 µg/m³
40
Olivais, Lisboa, Portugal
23.9 km PM2.5: 9.6 µg/m³
29
Olivais, Lisboa, Portugal
23.9 km PM2.5: 7.0 µg/m³
32
Laranjeiro, Almada, Portugal
24.2 km PM2.5: 7.7 µg/m³
46
Laranjeiro, Almada, Portugal
24.2 km PM2.5: 11.0 µg/m³

Nearby Cities

25 Sintra 31 Algueirão 31 Rio de Mouro 32 Alcabideche 31 Cacém 32 Massamá 32 Estoril 32 Monte Estoril 32 Belas

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T16:19 UTC.