Air Quality in Viterbo, Italy
Drizzle
14.9°C · 89.7% humidity
14.9°
Feels 14.9°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Viterbo's air quality — share it
AQI Forecast
54
10pm
54
54
23
1am
32
18
23
4am
26
28
30
7am
31
52
25
10am
26
26
26
1pm
27
27
27
4pm
27
34
34
7pm
34
34
Viterbo'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 Viterbo is 1.1× the WHO annual guideline of 5 µg/m³.
89.7%
Humidity
3.0 km/h
Wind ESE
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.42 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Viterbo?
Temperature & Precipitation
PM2.55.42 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Viterbo?
05-28
26.7° 15.2°
2.5 mm
05-29
19.6° 14.9°
8.0 mm
05-30
18.3° 12.5°
8.0 mm
05-31
23.2° 12.1°
06-01
24.9° 14.1°
0.38 mm
06-02
21.1° 15.1°
11.06 mm
06-03
26.6° 14.0°
Both models agree
Avg diff: 4.0°C
What cities are near Viterbo?
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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 2026-05-28T23:03 UTC.