Worst air pollution Dortmund, today and tomorrow

Today (23 August): Air quality in Dortmund is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 24.0/100).
Tomorrow (24 August 2026): Air quality in Dortmund is fair. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 28.7/100). 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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Dortmund's air quality is shaped by its position at the eastern edge of the Ruhr industrial conurbation, with steel generating elevated NO₂ and PM2.5. The Rhine-Ruhr basin's flat terrain provides reasonable wind dispersal on westerly days, while the dense industrial landscape means background pollution levels remain above typical European urban averages.

Today - 23 August | Pollution peaks at 17:00

AQI:

Fair

24.0/100

PM2.5 (fine particles):

Good

8.7/100

PM10 (coarse particles):

Good

2.9/100

NO2 (nitrogen dioxide):

Good

12.3/100

O3 (ozone):

Fair

24.0/100

SO2 (sulfur dioxide):

Good

4.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.5/100

PM1 (ultrafine particles):

Good

8.4/100

Levels show the poorest local air quality during the day

Tomorrow - 24 August | Pollution peaks at 17:00

AQI:

Fair

28.7/100

PM2.5 (fine particles):

Good

10.2/100

PM10 (coarse particles):

Good

3.3/100

NO2 (nitrogen dioxide):

Good

15.4/100

O3 (ozone):

Fair

28.7/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.7/100

PM1 (ultrafine particles):

Good

11.2/100

Pollen forecast in Dortmund

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Frequently Asked Questions

Is air quality bad in Dortmund right now?

On 23 August 2026, overall air quality in Dortmund is fair. AQI is the main air quality indicator at 24.0/100. Pollution peaks around 5:00 PM (O3: 24.0/100).

Will air quality be worse tomorrow in Dortmund?

On 24 August 2026, air quality conditions in Dortmund will be similar to today, with AQI forecast at fair at 28.7/100. Pollution peaks around 5:00 PM (O3: 28.7/100).

When is air pollution at its worst in Dortmund?

The most noticeable dips in Dortmund's air quality come when linden, plane, and oak pollen peaks, or on warm, stagnant days when local emissions settle; ordinary road use nearby adds a small but steady source. Ragweed exposure tends to stay low here through most of late summer. The clearest air tends to arrive after rain or on breezy afternoons.

Are air quality levels in Dortmund 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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