Air Quality in Aosta, Italy
Partly Cloudy
12.3°C · 62.0% humidity
12.3°
Feels 12.3°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Aosta's air quality — share it
AQI Forecast
25
8pm
25
25
38
11pm
34
34
32
2am
30
36
36
5am
55
55
28
8am
27
25
25
11am
25
25
25
2pm
24
24
24
5pm
24
24
Air Quality Index Trend
42h · 2 stnAosta'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.
62.0%
Humidity
23.2 km/h
Wind W
1018.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.97 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Aosta?
Temperature & Precipitation
PM2.5 Trend
42h · 2 stationsPM2.58.97 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Aosta?
07-21
25.0° 10.4°
0.81 mm
07-22
21.4° 12.3°
0.81 mm
07-23
19.1° 12.0°
07-24
17.7° 8.0°
4.44 mm
07-25
26.5° 5.8°
1.69 mm
07-26
25.4° 13.4°
0.38 mm
07-27
25.3° 10.3°
2.06 mm
Both models agree
Avg diff: 2.8°C
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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 2026-07-21T21:32 UTC.