What is the air quality in Aosta today?

The current Air Quality Index (AQI) in Aosta is 12 (Good). PM2.5 concentration is 2.9 µg/m³.

What is the temperature in Aosta right now?

The current temperature in Aosta is 12.0°C (feels like 12.0°C). Humidity is 43.0% and wind speed is 23.0 km/h.

Is it safe to go outside in Aosta?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Aosta, Italy

Clear

12.0°C · 43.0% humidity

12.0°

Feels 12.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

30h · 1 stn

View full history →

Aosta'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.

43.0%

Humidity

23.0 km/h

Wind NE

1018.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.9 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Aosta?

Temperature & Precipitation

PM2.5 Trend

30h · 1 station

PM2.52.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Aosta?

10-21

12.0° -6.0°

10-22

13.4° 2.4°

2.0 mm

10-23

1.9° -2.6°

2.94 mm

10-24

4.7° -0.6°

10-25

12.9° -0.8°

10-26

3.2° -0.4°

1.37 mm

10-27

8.8° -2.8°

0.13 mm

Both models agree Avg diff: 4.7°C

What cities are near Aosta?

24 Martigny-Ville 25 Ivrea 24 Sitten 36 Sallanches 25 Ciriè 27 Biella 24 Sierre 23 Monthey 37 Cluses 18 Albertville

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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 2026-10-21T12:31 UTC.