What is the air quality in Custoias today?

The current Air Quality Index (AQI) in Custoias is 36 (Good). PM2.5 concentration is 8.66 µg/m³.

What is the temperature in Custoias right now?

The current temperature in Custoias is 17.7°C (feels like 17.7°C). Humidity is 39.6% and wind speed is 83.3 km/h.

Is it safe to go outside in Custoias?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Custoias, Portugal

Windy

17.7°C · 39.6% humidity

17.7°

Feels 17.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

34 4pm

36 7pm

34 10pm

34 1am

27 4am

34 7am

34 10am

27 1pm

Air Quality Index Trend

33h · 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.

39.6%

Humidity

83.3 km/h

Wind WNW

1014.2 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.66 µg/m³

PM10

34.3 µg/m³

050100150200300500

What is the weather forecast for Custoias?

Temperature & Precipitation

PM2.5 Trend

33h · 1 station

PM2.58.66 µg/m³ ✓ WHO

Good

PM1034.3 µg/m³

Good

UV INDEX4.4

Moderate

Both models agree Avg diff: 4.8°C

What cities are near Custoias?

45 Vila Real 47 Baião 28 Sequeira 28 Guarda 57 Viseu 38 Chaves 45 Cabeceiras de Basto 46 Felgueiras 58 Arouca 40 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 2026-05-30T18:11 UTC.