What is the air quality in Custoias today?

The current Air Quality Index (AQI) in Custoias is 15 (Good). PM2.5 concentration is 3.74 µg/m³.

What is the temperature in Custoias right now?

The current temperature in Custoias is 9.8°C (feels like 5.9°C). Humidity is 77.6% and wind speed is 36.4 km/h.

Is it safe to go outside in Custoias?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.9 (Moderate).

Air Quality in Custoias, Portugal

Cloudy

9.8°C · 77.6% humidity

9.8°

Feels 5.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

25 5am

15 8am

21 11am

24 2pm

25 5pm

24 8pm

24 11pm

27 2am

Air Quality Index Trend

35h · 1 stn

View full history →

Custoias'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.

77.6%

Humidity

36.4 km/h

Wind N

1019.1 hPa

Pressure

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.74 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Custoias?

Temperature & Precipitation

PM2.5 Trend

35h · 1 station

PM2.53.74 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.9

Moderate

What is the 7-day forecast for Custoias?

06-09

25.8° 9.8°

06-10

21.7° 12.1°

06-11

35.2° 21.9°

0.06 mm

06-12

32.6° 17.0°

0.56 mm

06-13

30.9° 12.4°

2.38 mm

06-14

21.3° 13.1°

0.56 mm

06-15

27.7° 19.1°

Both models agree Avg diff: 5.0°C

What cities are near Custoias?

25 Vila Real 24 Baião 12 Sequeira 12 Guarda 25 Viseu 25 Chaves 25 Cabeceiras de Basto 11 Felgueiras 26 Arouca 40 Fafe

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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 2026-06-09T07:44 UTC.