Highest air pollution Flensburg, today and tomorrow

Today (30 June): Air quality in Flensburg is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (NO2: 39.3/100).
Tomorrow (1 July 2026): Air quality in Flensburg is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (O3: 25.6/100). 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

Flensburg's air quality benefits from the Flensburg Fjord's consistent Baltic Sea breezes providing reliable maritime ventilation along the German-Danish border. Vehicle traffic on the A7 motorway is the primary local source, while the open Jutland and Schleswig coastal plain and consistent Baltic maritime exposure generally maintain Flensburg among northern Germany's more moderate urban environments and the fjord's geometry channels clean air directly into the city.

Today - 30 June | Pollution peaks at 05:00

AQI:

Fair

39.3/100

PM2.5 (fine particles):

Good

10.4/100

PM10 (coarse particles):

Good

3.6/100

NO2 (nitrogen dioxide):

Fair

39.3/100

O3 (ozone):

Fair

25.7/100

SO2 (sulfur dioxide):

Good

1.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.7/100

PM1 (ultrafine particles):

Good

9.2/100

Levels show the poorest local air quality during the day

Tomorrow - 1 July | Pollution peaks at 18:00

AQI:

Fair

25.6/100

PM2.5 (fine particles):

Good

9.7/100

PM10 (coarse particles):

Good

3.5/100

NO2 (nitrogen dioxide):

Fair

24.8/100

O3 (ozone):

Fair

25.6/100

SO2 (sulfur dioxide):

Good

1.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.8/100

PM1 (ultrafine particles):

Good

7.5/100

Pollen forecast in Flensburg

View pollen forecast

Frequently Asked Questions

Is air quality bad in Flensburg right now?

On 30 June 2026, overall air quality in Flensburg is fair. AQI is the main air quality indicator at 39.3/100. Pollution peaks around 5:00 AM (NO2: 39.3/100).

Will air quality be worse tomorrow in Flensburg?

On 1 July 2026, air quality conditions in Flensburg will be similar to today, with AQI forecast at fair at 25.6/100. Pollution peaks around 6:00 PM (O3: 25.6/100).

Are air quality levels in Flensburg 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 Germany?

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Data provided by Airmine — Last update: 30 June 2026 at 13:01 CET (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

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