Worst air pollution Trento, today and tomorrow
Today (16 July): Air quality in Trento is fair. PM1 is fair; AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 6:00 PM (O3: 51.5/100).
Tomorrow (17 July 2026): Air quality in Trento is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 55.3/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Trento's air quality reflects the Adige river valley between the Dolomites and Brenta massif, with vehicle traffic on the A22 Brenner motorway — one of Europe's busiest Alpine freight routes — generating significant NOₓ and PM2.5. The valley's topographic enclosure creates Alpine canyon pollution trapping, while the Ora thermal valley wind provides distinctive afternoon ventilation from Lake Garda.
Today - 16 July | Pollution peaks at 18:00
AQI:
Medium
51.5/100
PM2.5 (fine particles):
Good
16.3/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Medium
42.6/100
O3 (ozone):
Medium
51.5/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.0/100
PM1 (ultrafine particles):
Fair
21.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 10:00
AQI:
Medium
55.3/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
8.0/100
NO2 (nitrogen dioxide):
Fair
37.3/100
O3 (ozone):
Medium
55.3/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.8/100
PM1 (ultrafine particles):
Fair
20.7/100
Pollen forecast in Trento
View pollen forecastFrequently Asked Questions
Is air quality bad in Trento right now?
On 16 July 2026, overall air quality in Trento is fair. PM1 is the main pollutant at 21.1/100. Pollution peaks around 6:00 PM (O3: 51.5/100).
Will air quality be worse tomorrow in Trento?
On 17 July 2026, air quality conditions in Trento will be similar to today, with NO2 forecast at fair at 37.3/100. Pollution peaks around 10:00 AM (O3: 55.3/100).
When is air pollution at its worst in Trento?
Air quality dips in Trento mostly track birch and linden pollen peaks and periods of vehicle traffic on the A22 Brenner motorway — one of Europe's busiest Alpine freight routes —; background levels usually settle back down once the season changes.
Are air quality levels in Trento based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Want to see air quality forecasts for other cities in Italy?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app