What is the air quality in Alfena today?

The current Air Quality Index (AQI) in Alfena is 25 (Good). PM2.5 concentration is 6.06 µg/m³.

What is the temperature in Alfena right now?

The current temperature in Alfena is 16.6°C (feels like 16.6°C). Humidity is 53.7% and wind speed is 7.1 km/h.

Is it safe to go outside in Alfena?

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

Air Quality in Alfena, Portugal

Partly Cloudy

16.6°C · 53.7% humidity

16.6°

Feels 16.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 4 stn

View full history →

Alfena'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.

53.7%

Humidity

7.1 km/h

Wind N

1015.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.06 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Alfena?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations

PM2.56.06 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

6.06

Median

6.25

Average

4.8

Low

7.7

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -0.3

What is the 7-day forecast for Alfena?

10-21

23.8° 12.7°

10-22

25.6° 15.9°

2.12 mm

10-23

18.5° 13.7°

5.69 mm

10-24

21.7° 15.0°

0.88 mm

10-25

23.7° 14.9°

10-26

18.3° 12.6°

3.62 mm

10-27

25.3° 11.0°

0.81 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Alfena?

Paços de Ferreira, Paços de Ferreira, Portugal

13.1 km PM2.5: 4.8 µg/m³

Sobreiras-Lordelo do Ouro, Porto, Portugal

15.0 km PM2.5: 8.6 µg/m³

What cities are near Alfena?

28 Ermesinde 28 Baguim do Monte 29 Águas Santas 26 Valongo 29 Vermoim 30 Rio Tinto 29 Fânzeres 30 Maia 31 São Mamede de Infesta 31 Paranhos

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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 2026-10-21T15:59 UTC.