Air Quality in Viseu, Portugal
Clear
23.8°C · 27.9% humidity
23.8°
Feels 23.8°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Viseu's air quality — share it
AQI Forecast
66
2pm
66
66
35
5pm
44
50
55
8pm
58
60
62
11pm
63
64
64
2am
65
65
65
5am
66
66
66
8am
66
66
54
11am
54
54
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.
27.9%
Humidity
25.8 km/h
Wind NW
1014.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
8.49 µg/m³
PM10▲
66.15 µg/m³
050100150200300500
What is the weather forecast for Viseu?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.58.49 µg/m³
✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX4.4
Moderate
What is the 7-day forecast for Viseu?
09-05
32.9° 16.4°
09-06
30.1° 15.8°
09-07
29.8° 10.2°
09-08
28.0° 17.2°
3.38 mm
09-09
32.0° 10.4°
09-10
32.1° 21.1°
0.13 mm
09-11
32.0° 14.5°
1.75 mm
Both models agree
Avg diff: 4.7°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 2026-09-05T16:40 UTC.