Air Quality in Valongo, Portugal
Cloudy
16.2°C · 82.1% humidity
16.2°
Feels 16.2°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Valongo's air quality — share it
AQI Forecast
Calibrated
25
7pm
25
25
20
10pm
21
22
23
1am
44
44
44
4am
45
45
45
7am
25
25
25
10am
25
25
18
1pm
18
18
18
4pm
18
18
Station readings
32
11
10
CAMS model
adj -9
34
34
34
34
34
34
34
54
54
54
54
54
54
34
34
34
34
34
27
27
27
27
27
27
Air Quality Index Trend
47h · 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.
82.1%
Humidity
25.8 km/h
Wind SW
1012.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.84 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Valongo?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.54.84 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
4.84
Median
6.54
Average
2.49
Low
10.6
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +3.4
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: 3.1°C
Where are air quality stations near Valongo?
10
AirGradient O-1PST
46
Paços de Ferreira, Paços de Ferreira, Portugal
20
Paços de Ferreira, Paços de Ferreira, Portugal
33
Sobreiras-Lordelo do Ouro, Porto, Portugal
42
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 2026-05-30T21:30 UTC.