QSintra_Sensor1 Air Quality

Monitoring Station · Sintra, Portugal
31.4°
47.0% RH
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
59 1pm
69
74
59 4pm
59
59
59 7pm
59
59
39 10pm
39
39
39 1am
39
39
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
59
69
74
CAMS model adj +5
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
31.4°C
Temperature
47.0%
Humidity

Air Quality Forecast (24h)

PM2.523.2 µg/m³ ×1.5 WHO
Moderate
PM1023.5 µg/m³
Good
View city history →

Nearby Monitoring Stations

46
Mem Martins, Sintra, Portugal
3.1 km PM2.5: 11.0 µg/m³
64
Aldeia de Juzo
9.2 km PM2.5: 18.3 µg/m³
22
Entrecampos, Lisboa, Portugal
20.8 km PM2.5: 5.3 µg/m³
37
Entrecampos, Lisboa, Portugal
20.8 km PM2.5: 8.9 µg/m³
34
Olivais, Lisboa, Portugal
23.9 km PM2.5: 8.2 µg/m³
24
Laranjeiro, Almada, Portugal
24.2 km PM2.5: 5.8 µg/m³

Nearby Cities

67 Sintra 66 Algueirão 64 Rio de Mouro 66 Alcabideche 61 Cacém 57 Massamá 65 Estoril 66 Monte Estoril 54 Belas

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T16:28 UTC.