Worst air pollution Bad Segeberg, today and tomorrow

Today (21 July): Air quality in Bad Segeberg is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 22.5/100).
Tomorrow (22 July 2026): Air quality in Bad Segeberg is good. AQI improves to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 PM (O3: 18.3/100). 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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In Bad Segeberg, air quality is shaped by the Schleswig-Holstein lake district, with local traffic and nearby regional through-roads and nearby dairy farming and small trade as the main local sources. Lake-moderated air generally supports reasonable dispersal, while onshore winds from the North and Baltic seas keep background pollution levels low throughout the year.

Today - 21 July | Pollution peaks at 16:00

AQI:

Fair

22.5/100

PM2.5 (fine particles):

Good

7.7/100

PM10 (coarse particles):

Good

2.7/100

NO2 (nitrogen dioxide):

Good

2.3/100

O3 (ozone):

Fair

22.5/100

SO2 (sulfur dioxide):

Good

0.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.7/100

PM1 (ultrafine particles):

Good

5.0/100

Levels show the poorest local air quality during the day

Tomorrow - 22 July | Pollution peaks at 20:00

AQI:

Good

18.3/100

PM2.5 (fine particles):

Good

7.8/100

PM10 (coarse particles):

Good

2.8/100

NO2 (nitrogen dioxide):

Good

1.0/100

O3 (ozone):

Good

18.3/100

SO2 (sulfur dioxide):

Good

0.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.3/100

PM1 (ultrafine particles):

Good

5.1/100

Pollen forecast in Bad Segeberg

View pollen forecast

Frequently Asked Questions

Is air quality bad in Bad Segeberg right now?

On 21 July 2026, overall air quality in Bad Segeberg is fair. AQI is the main air quality indicator at 22.5/100. Pollution peaks around 4:00 PM (O3: 22.5/100).

Will air quality be worse tomorrow in Bad Segeberg?

On 22 July 2026, air quality conditions in Bad Segeberg will be better than today, with AQI forecast at good at 18.3/100. Pollution peaks around 8:00 PM (O3: 18.3/100).

When is air pollution at its worst in Bad Segeberg?

People in Bad Segeberg tend to notice reduced air quality when linden, oak, and ash pollen peaks, or on hot, still days when local emissions build up; typical local traffic patterns add only a modest contribution. Ragweed is rarely a significant concern in this coastal part of Germany. Wind and rain both help clear the air noticeably here.

Are air quality levels in Bad Segeberg 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: 21 July 2026 at 05:44 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