Air Quality in Valongo, Portugal
Overcast
16.8°C · 91.2% humidity
16.8°
Feels 16.8°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Valongo's air quality — share it
AQI Forecast
83
5am
83
83
62
8am
51
43
46
11am
48
30
31
2pm
32
33
33
5pm
33
33
34
8pm
34
34
54
11pm
54
66
66
2am
66
83
Air Quality Index Trend
49h · 4 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. Current PM2.5 concentration in Valongo is 1.1× the WHO 24-hour guideline of 15 µg/m³.
91.2%
Humidity
10.1 km/h
Wind ESE
1018.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.13 µg/m³
PM10
48.05 µg/m³
050100150200300500
What is the weather forecast for Valongo?
Temperature & Precipitation
PM2.5 Trend
49h · 4 stationsPM2.517.13 µg/m³
×1.1 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Valongo?
07-22
22.9° 16.8°
07-23
32.1° 17.6°
2.38 mm
07-24
24.1° 17.8°
07-25
26.0° 17.2°
07-26
26.0° 13.6°
07-27
26.8° 16.0°
0.25 mm
07-28
34.4° 18.1°
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Valongo?
21
AirGradient O-1PST
30
Paços de Ferreira, Paços de Ferreira, Portugal
30
Paços de Ferreira, Paços de Ferreira, Portugal
68
Sobreiras-Lordelo do Ouro, Porto, Portugal
34
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 2026-07-22T07:46 UTC.