Air Quality in Valongo, Portugal
Windy
15.5°C · 55.4% humidity
15.5°
Feels 15.5°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Valongo's air quality — share it
AQI Forecast
Calibrated
57
2pm
57
57
41
5pm
37
37
37
8pm
37
37
37
11pm
37
37
57
2am
57
57
57
5am
57
57
37
8am
37
37
37
11am
37
30
Station readings
58
59
54
32
CAMS model
adj +3
54
54
54
34
34
34
34
34
34
34
34
34
54
54
54
54
54
54
34
34
34
34
34
27
Air Quality Index Trend
48h · 1 stnValongo'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.
55.4%
Humidity
56.5 km/h
Wind WNW
1017.9 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.8 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Valongo?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.59.8 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX9.4
Very High
Station readings (3 stations within 25 km)
9.8
Median
8.6
Average
5.8
Low
12.31
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +1.0
What is the 7-day forecast for Valongo?
05-30
25.0° 13.5°
05-31
26.1° 15.3°
0.88 mm
06-01
25.0° 13.8°
06-02
18.9° 11.4°
1.44 mm
06-03
25.3° 17.1°
6.44 mm
06-04
20.7° 15.2°
0.44 mm
06-05
28.3° 18.2°
0.69 mm
Both models agree
Avg diff: 3.3°C
Where are air quality stations near Valongo?
32
AirGradient O-1PST
36
Paços de Ferreira, Paços de Ferreira, Portugal
35
Paços de Ferreira, Paços de Ferreira, Portugal
47
Sobreiras-Lordelo do Ouro, Porto, Portugal
50
Sobreiras-Lordelo do Ouro, Porto, Portugal
What cities are near Valongo?
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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 2026-05-30T16:19 UTC.