Worst air pollution Horsens, today and tomorrow
Today (14 July): Air quality in Horsens is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 28.6/100).
Tomorrow (15 July 2026): Air quality in Horsens is fair. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 31.3/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Horsens' air quality reflects the Horsens Fjord position on Jutland's east coast, with consistent Kattegat and North Sea breezes providing reliable maritime ventilation. Vehicle traffic on the E45 motorway and surrounding manufacturing and logistics industry contribute local sources, while the flat Jutland agricultural plain and the fjord's open geometry generally maintain Horsens at moderate Danish urban air quality levels and the coastal exposure provides effective ventilation throughout most of the year.
Today - 14 July | Pollution peaks at 17:00
AQI:
Fair
28.6/100
PM2.5 (fine particles):
Good
13.2/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
26.1/100
O3 (ozone):
Fair
28.6/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
17.8/100
Levels show the poorest local air quality during the day
Tomorrow - 15 July | Pollution peaks at 17:00
AQI:
Fair
31.3/100
PM2.5 (fine particles):
Good
6.7/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Fair
21.3/100
O3 (ozone):
Fair
31.3/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
8.2/100
Pollen forecast in Horsens
View pollen forecastFrequently Asked Questions
Is air quality bad in Horsens right now?
On 14 July 2026, overall air quality in Horsens is fair. AQI is the main air quality indicator at 28.6/100. Pollution peaks around 5:00 PM (O3: 28.6/100).
Will air quality be worse tomorrow in Horsens?
On 15 July 2026, air quality conditions in Horsens will be similar to today, with AQI forecast at fair at 31.3/100. Pollution peaks around 5:00 PM (O3: 31.3/100).
When is air pollution at its worst in Horsens?
The main driver of reduced air quality in Horsens is E45 traffic combined with the town's manufacturing and logistics activity, most noticeable on warm, calm days when the fjord's usual Kattegat ventilation weakens. Coastal exposure otherwise keeps conditions at a moderate, manageable level most of the year.
Are air quality levels in Horsens 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 Denmark?
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Data provided by Airmine — Last update: 14 July 2026 at 10:27 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