Worst air pollution Trento, today and tomorrow
Today (30 August): Air quality in Trento is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 39.6/100).
Tomorrow (31 August 2026): Air quality in Trento is moderate. AQI worsens to moderate; PM2.5 increases to fair; O3 increases to moderate; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 45.9/100). Airmine updates local air quality forecasts four times daily.
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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 - 30 August | Pollution peaks at 13:00
AQI:
Fair
39.6/100
PM2.5 (fine particles):
Good
19.5/100
PM10 (coarse particles):
Good
12.5/100
NO2 (nitrogen dioxide):
Fair
32.2/100
O3 (ozone):
Fair
39.6/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Good
16.0/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 14:00
AQI:
Moderate
45.9/100
PM2.5 (fine particles):
Fair
21.0/100
PM10 (coarse particles):
Good
8.5/100
NO2 (nitrogen dioxide):
Fair
33.3/100
O3 (ozone):
Moderate
45.9/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.4/100
PM1 (ultrafine particles):
Fair
23.0/100
Pollen forecast in Trento
View pollen forecastFrequently Asked Questions
Is air quality bad in Trento right now?
On 30 August 2026, overall air quality in Trento is fair. AQI is the main air quality indicator at 39.6/100. Pollution peaks around 1:00 PM (O3: 39.6/100).
Will air quality be worse tomorrow in Trento?
On 31 August 2026, air quality conditions in Trento will be worse than today, with AQI forecast at moderate at 45.9/100. Pollution peaks around 2:00 PM (O3: 45.9/100).
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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 30 August 2026 at 14:32 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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