Worst air pollution Ahrensburg, today and tomorrow

Today (23 August): Air quality in Ahrensburg is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 23.4/100).
Tomorrow (24 August 2026): Air quality in Ahrensburg is moderate. AQI worsens to moderate; NO2 increases to moderate; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 44.6/100). 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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Air quality in Ahrensburg reflects the Schleswig-Holstein lake district, with vehicle traffic along the regional road network and surrounding farming and rural trade activity contributing the primary local sources. The lake-studded, gently hilly terrain allows fairly even dispersal, while clean maritime air generally supports low background pollution in this region throughout the year.

Today - 23 August | Pollution peaks at 15:00

AQI:

Fair

23.4/100

PM2.5 (fine particles):

Good

7.5/100

PM10 (coarse particles):

Good

3.0/100

NO2 (nitrogen dioxide):

Good

9.4/100

O3 (ozone):

Fair

23.4/100

SO2 (sulfur dioxide):

Good

1.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.2/100

PM1 (ultrafine particles):

Good

5.4/100

Levels show the poorest local air quality during the day

Tomorrow - 24 August | Pollution peaks at 22:00

AQI:

Moderate

44.6/100

PM2.5 (fine particles):

Good

16.2/100

PM10 (coarse particles):

Good

5.0/100

NO2 (nitrogen dioxide):

Moderate

44.6/100

O3 (ozone):

Fair

23.2/100

SO2 (sulfur dioxide):

Good

3.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.2/100

PM1 (ultrafine particles):

Good

19.1/100

Pollen forecast in Ahrensburg

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Frequently Asked Questions

Is air quality bad in Ahrensburg right now?

On 23 August 2026, overall air quality in Ahrensburg is fair. AQI is the main air quality indicator at 23.4/100. Pollution peaks around 3:00 PM (O3: 23.4/100).

Will air quality be worse tomorrow in Ahrensburg?

On 24 August 2026, air quality conditions in Ahrensburg will be worse than today, with AQI forecast at moderate at 44.6/100. Pollution peaks around 10:00 PM (NO2: 44.6/100).

When is air pollution at its worst in Ahrensburg?

In Ahrensburg, air quality dips most noticeably when oak, beech, and birch pollen peaks, or on warm, windless days when local pollution accumulates; typical local traffic patterns add only a modest contribution. Onshore sea breezes keep ragweed levels minimal in this part of Germany. Conditions generally improve on windier, less humid days.

Are air quality levels in Ahrensburg 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: 23 August 2026 at 20:25 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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