Air Quality in Aosta, Italy
Drizzle
8.3°C · 82.7% humidity
8.3°
Feels 6.2°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Aosta's air quality — share it
AQI Forecast
27
8pm
27
27
24
11pm
27
29
30
2am
31
32
33
5am
33
33
34
8am
27
27
27
11am
25
25
25
2pm
27
27
27
5pm
27
34
Air Quality Index Trend
48h · 1 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. Current PM2.5 concentration in Aosta is 1.1× the WHO annual guideline of 5 µg/m³.
82.7%
Humidity
12.2 km/h
Wind NNE
1021.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.66 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Aosta?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.55.66 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Aosta?
05-28
9.8° 7.4°
4.56 mm
05-29
13.6° 8.3°
7.56 mm
05-30
15.2° 1.5°
2.12 mm
05-31
15.2° 6.9°
0.75 mm
06-01
19.4° 7.7°
0.31 mm
06-02
11.1° 6.6°
10.25 mm
06-03
14.1° 6.7°
0.94 mm
Both models agree
Avg diff: 4.4°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 2026-05-28T21:48 UTC.