What is the air quality in Viterbo today?

The current Air Quality Index (AQI) in Viterbo is 27 (Good). PM2.5 concentration is 6.42 µg/m³.

What is the temperature in Viterbo right now?

The current temperature in Viterbo is 19.5°C (feels like 19.5°C). Humidity is 90.3% and wind speed is 6.7 km/h.

Is it safe to go outside in Viterbo?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Viterbo, Italy

Overcast

19.5°C · 90.3% humidity

19.5°

Feels 19.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

27 8pm

27 11pm

25 2am

25 5am

27 8am

25 11am

25 2pm

27 5pm

View AQI history for Viterbo →

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.

90.3%

Humidity

6.7 km/h

Wind ESE

1014.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.42 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Viterbo?

Temperature & Precipitation

PM2.56.42 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Viterbo?

07-21

37.8° 19.7°

07-22

31.6° 19.5°

07-23

31.0° 22.4°

07-24

34.8° 17.3°

0.06 mm

07-25

35.6° 19.4°

0.06 mm

07-26

36.4° 19.1°

07-27

41.7° 20.4°

Both models agree Avg diff: 3.9°C

What cities are near Viterbo?

31 Civitavecchia 27 Terni 29 Todi 28 Cerveteri 28 Ladispoli 35 Monterotondo 35 Mentana 27 Rieti 29 Spoleto 34 Tor Lupara

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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 2026-07-21T21:33 UTC.