What is the air quality in Custoias today?

The current Air Quality Index (AQI) in Custoias is 31 (Good). PM2.5 concentration is 7.48 µg/m³.

What is the temperature in Custoias right now?

The current temperature in Custoias is 20.5°C (feels like 20.5°C). Humidity is 37.8% and wind speed is 24.9 km/h.

Is it safe to go outside in Custoias?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Custoias, Portugal

Clear

20.5°C · 37.8% humidity

20.5°

Feels 20.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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View AQI history for Custoias →

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.

37.8%

Humidity

24.9 km/h

Wind NE

1020.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.48 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Custoias?

Temperature & Precipitation

PM2.57.48 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Custoias?

10-21

20.5° 8.7°

0.06 mm

10-22

20.5° 13.4°

1.81 mm

10-23

15.8° 10.8°

1.31 mm

10-24

18.7° 10.9°

0.31 mm

10-25

23.9° 9.3°

10-26

13.6° 10.7°

10-27

20.5° 6.6°

1.19 mm

Both models agree Avg diff: 3.2°C

What cities are near Custoias?

38 Vila Real 35 Baião 12 Sequeira 12 Guarda 21 Viseu 36 Chaves 38 Cabeceiras de Basto 38 Felgueiras 24 Arouca 43 Fafe

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T14:59 UTC.