Air Quality in Alfena, Portugal

Windy
25.9°C · 44.4% humidity
25.9°
Feels 25.9°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 12am
66
66
42 3am
49
54
57 6am
60
61
63 9am
52
52
53 12pm
53
33
34 3pm
27
27
27 6pm
27
27
27 9pm
27
34
AD 728×90

Air Quality Index Trend

45h · 6 stn

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.

44.4%
Humidity
55.9 km/h
Wind NW
1015.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.15 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Alfena?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations
PM2.510.15 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
10.15
Median
10.2
Average
9.8
Low
10.6
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -0.4

What is the 7-day forecast for Alfena?

08-03
39.4° 14.9°
1.0 mm
08-04
32.3° 17.8°
08-05
30.4° 18.9°
08-06
28.7° 14.5°
08-07
27.1° 16.3°
0.13 mm
08-08
27.3° 19.0°
08-09
31.4° 16.6°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Alfena?

15
Paços de Ferreira, Paços de Ferreira, Portugal
13.1 km PM2.5: 3.6 µg/m³
32
Paços de Ferreira, Paços de Ferreira, Portugal
13.1 km PM2.5: 7.7 µg/m³
35
Sobreiras-Lordelo do Ouro, Porto, Portugal
15.0 km PM2.5: 8.4 µg/m³

What cities are near Alfena?

43 Ermesinde 43 Baguim do Monte 43 Águas Santas 42 Valongo 43 Vermoim 43 Rio Tinto 43 Fânzeres 43 Maia 44 São Mamede de Infesta 44 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 2026-08-08T02:35 UTC.