Worst air pollution Vejle, today and tomorrow

Today (20 September): Air quality in Vejle is fair. AQI and PM10 are fair; PM2.5, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (PM10: 20.4/100).
Tomorrow (21 September 2026): Air quality in Vejle is good. AQI improves to good; PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 10:00 AM (PM10: 17.1/100). Airmine updates local air quality forecasts four times daily.

Get the full experience in the Airmine app.

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.

Vejle's air quality benefits from the Vejle Fjord position on Jutland's east coast, with consistent Kattegat and North Sea breezes providing reliable maritime ventilation across this major Danish commercial and manufacturing city. Vehicle traffic on the E45 and E20 motorways and surrounding manufacturing and logistics industry contribute local sources, while the fjord geometry and the flat Jutland agricultural plain generally maintain Vejle at moderate Danish urban air quality levels throughout most of the year.

Today - 20 September | Pollution peaks at 11:00

AQI:

Fair

20.4/100

PM2.5 (fine particles):

Good

18.0/100

PM10 (coarse particles):

Fair

20.4/100

NO2 (nitrogen dioxide):

Good

2.3/100

O3 (ozone):

Good

12.7/100

SO2 (sulfur dioxide):

Good

0.5/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

1.0/100

PM1 (ultrafine particles):

Good

2.8/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 10:00

AQI:

Good

17.1/100

PM2.5 (fine particles):

Good

15.2/100

PM10 (coarse particles):

Good

17.1/100

NO2 (nitrogen dioxide):

Good

2.8/100

O3 (ozone):

Good

13.3/100

SO2 (sulfur dioxide):

Good

0.5/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

0.6/100

PM1 (ultrafine particles):

Good

2.9/100

Pollen forecast in Vejle

View pollen forecast

Air quality forecasts for neighbourhoods and landmarks in Vejle

Sports venues in Vejle

Frequently Asked Questions

Is air quality bad in Vejle right now?

On 20 September 2026, overall air quality in Vejle is fair. AQI is the main air quality indicator at 20.4/100. Pollution peaks around 11:00 AM (PM10: 20.4/100).

Will air quality be worse tomorrow in Vejle?

On 21 September 2026, air quality conditions in Vejle will be better than today, with AQI forecast at good at 17.1/100. Pollution peaks around 10:00 AM (PM10: 17.1/100).

When is air pollution at its worst in Vejle?

Vejle sees its poorest air quality when E45 and E20 traffic combines with manufacturing and logistics activity along the fjord on calm days. The fjord's geometry and the flat Jutland plain otherwise keep conditions at a steady, moderate level most of the year.

Are air quality levels in Vejle 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.

Want to see air quality forecasts for other cities in Denmark?

Check air quality in other popular cities:

Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.

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.

Get the full experience in the Airmine app.