Worst air pollution Marburg, today and tomorrow

Today (21 July): Air quality in Marburg is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 32.3/100).
Tomorrow (22 July 2026): Air quality in Marburg is fair. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 2:00 AM (NO2: 47.6/100). 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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Marburg's air quality reflects the Lahn river valley in the Rhenish Massif foothills, with vehicle traffic on the B3 contributing local sources. The Lahn valley's partial topographic enclosure between the Westerwald and the Rothaargebirge creates concentration under calm winter conditions, while the valley corridor provides the primary ventilation pathway most of the year.

Today - 21 July | Pollution peaks at 23:00

AQI:

Fair

32.3/100

PM2.5 (fine particles):

Good

8.1/100

PM10 (coarse particles):

Good

2.9/100

NO2 (nitrogen dioxide):

Fair

32.3/100

O3 (ozone):

Fair

27.8/100

SO2 (sulfur dioxide):

Good

1.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.6/100

PM1 (ultrafine particles):

Good

7.7/100

Levels show the poorest local air quality during the day

Tomorrow - 22 July | Pollution peaks at 02:00

AQI:

Medium

47.6/100

PM2.5 (fine particles):

Good

9.6/100

PM10 (coarse particles):

Good

3.1/100

NO2 (nitrogen dioxide):

Medium

47.6/100

O3 (ozone):

Fair

21.3/100

SO2 (sulfur dioxide):

Good

5.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.4/100

PM1 (ultrafine particles):

Good

10.2/100

Pollen forecast in Marburg

View pollen forecast

Frequently Asked Questions

Is air quality bad in Marburg right now?

On 21 July 2026, overall air quality in Marburg is fair. AQI is the main air quality indicator at 32.3/100. Pollution peaks around 11:00 PM (NO2: 32.3/100).

Will air quality be worse tomorrow in Marburg?

On 22 July 2026, air quality conditions in Marburg will be similar to today, with O3 forecast at fair at 21.3/100. Pollution peaks around 2:00 AM (NO2: 47.6/100).

When is air pollution at its worst in Marburg?

Marburg residents notice reduced air quality mainly when beech, ash, and birch pollen peaks, or on windless summer days when pollutants accumulate nearby; traffic on the main roads through town is a modest local source. Ragweed is generally a minor factor here compared with warmer parts of Germany. The clearest air tends to arrive after rain or on breezy afternoons.

Are air quality levels in Marburg 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 16:20 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