Air Quality in Belas, Portugal

Windy
23.7°C · 31.7% humidity
23.7°
Feels 23.7°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 11am
14
8
20 2pm
18
23
22 5pm
21
21
40 8pm
40
40
19 11pm
19
19
19 2am
19
19
19 5am
19
19
19 8am
19
19
Station readings
21
14
8
6
CAMS model adj -15
27
27
27
27
27
34
34
34
34
54
54
54
34
34
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

47h · 2 stn

Belas's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

31.7%
Humidity
98.1 km/h
Wind NNW
1013.5 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.88 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Belas?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.54.88 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
4.88
Median
4.98
Average
1.5
Low
7.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.4

What is the 7-day forecast for Belas?

06-09
23.7° 14.7°
06-10
21.4° 15.9°
0.06 mm
06-11
36.6° 21.6°
06-12
33.5° 17.6°
06-13
27.0° 16.0°
06-14
22.4° 16.3°
0.19 mm
06-15
26.0° 17.1°
Both models agree Avg diff: 4.7°C

Where are air quality stations near Belas?

28
Mem Martins, Sintra, Portugal
7.3 km PM2.5: 6.7 µg/m³
34
Mem Martins, Sintra, Portugal
7.3 km PM2.5: 8.2 µg/m³
3
QSintra_Sensor1
10.4 km 24.0°C 48.0% RH PM2.5: 0.7 µg/m³ PM10: 1.1 µg/m³
31
Entrecampos, Lisboa, Portugal
10.4 km PM2.5: 7.4 µg/m³
46
Olivais, Lisboa, Portugal
13.5 km PM2.5: 11.0 µg/m³
36
Olivais, Lisboa, Portugal
13.5 km PM2.5: 8.6 µg/m³
34
Laranjeiro, Almada, Portugal
15.6 km PM2.5: 8.2 µg/m³
32
Laranjeiro, Almada, Portugal
15.6 km PM2.5: 7.7 µg/m³
14
Aldeia de Juzo
17.0 km 23.3°C 44.0% RH PM2.5: 3.4 µg/m³ PM10: 4.8 µg/m³
8
Paio Pires, Seixal
23.4 km PM2.5: 2.0 µg/m³ PM10: 21.0 µg/m³

What cities are near Belas?

23 Olival 23 Queluz 19 Massamá 15 Cacém 26 Falagueira 25 Amadora 28 Damaia 28 Alfornelos 28 Pontinha 24 Carnaxide
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T13:29 UTC.