Air Quality in Viseu, Portugal
Windy
15.8°C · 44.3% humidity
15.8°
Feels 15.8°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Viseu's air quality — share it
AQI Forecast
54
1pm
54
54
54
4pm
54
54
54
7pm
34
34
34
10pm
54
54
54
1am
54
54
54
4am
54
54
54
7am
34
34
34
10am
34
34
Air Quality Index Trend
45h · 1 stnViseu'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.
44.3%
Humidity
63.1 km/h
Wind W
1015.6 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.54 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Viseu?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.513.54 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Viseu?
05-30
21.1° 10.1°
0.44 mm
05-31
26.5° 10.0°
06-01
28.7° 11.8°
06-02
18.6° 7.9°
0.44 mm
06-03
27.5° 15.9°
7.5 mm
06-04
21.0° 11.6°
1.63 mm
06-05
27.1° 14.7°
0.94 mm
Both models agree
Avg diff: 4.8°C
What cities are near Viseu?
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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 2026-05-30T15:28 UTC.