Air Quality in Viseu, Portugal

Clear
23.8°C · 27.9% humidity
23.8°
Feels 23.8°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
66 3pm
66
66
37 6pm
45
51
55 9pm
58
61
62 12am
63
64
65 3am
65
65
65 6am
66
66
66 9am
66
54
54 12pm
54
54
AD 728×90

Air Quality Index Trend

45h · 1 stn

Viseu'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
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
37
8.82 µg/m³
PM10
60
73.05 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.58.82 µg/m³ ✓ WHO
Good
PM1073.05 µg/m³
Moderate
UV INDEX2.2
Moderate
AD 300×250
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
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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 2026-09-05T17:23 UTC.