Worst air pollution Westerkappeln, today and tomorrow

Today (21 July): Air quality in Westerkappeln 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: 23.5/100).
Tomorrow (22 July 2026): Air quality in Westerkappeln is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 21.5/100). 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 Westerkappeln, air quality is shaped by the flat Westphalian plain, with traffic on the surrounding road network and surrounding agricultural and food-processing industry as the main local sources. The flat, open terrain generally allows reasonable pollutant dispersal, while Atlantic westerlies and the wider Ruhr-area industrial background dominate regional air quality throughout the year.

Today - 21 July | Pollution peaks at 17:00

AQI:

Fair

23.5/100

PM2.5 (fine particles):

Good

6.8/100

PM10 (coarse particles):

Good

2.4/100

NO2 (nitrogen dioxide):

Good

10.1/100

O3 (ozone):

Fair

23.5/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.9/100

PM1 (ultrafine particles):

Good

4.7/100

Levels show the poorest local air quality during the day

Tomorrow - 22 July | Pollution peaks at 13:00

AQI:

Fair

21.5/100

PM2.5 (fine particles):

Good

8.1/100

PM10 (coarse particles):

Good

2.8/100

NO2 (nitrogen dioxide):

Good

12.4/100

O3 (ozone):

Fair

21.5/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.4/100

PM1 (ultrafine particles):

Good

6.6/100

Pollen forecast in Westerkappeln

View pollen forecast

Frequently Asked Questions

Is air quality bad in Westerkappeln right now?

On 21 July 2026, overall air quality in Westerkappeln is fair. AQI is the main air quality indicator at 23.5/100. Pollution peaks around 5:00 PM (O3: 23.5/100).

Will air quality be worse tomorrow in Westerkappeln?

On 22 July 2026, air quality conditions in Westerkappeln will be similar to today, with AQI forecast at fair at 21.5/100. Pollution peaks around 1:00 PM (O3: 21.5/100).

When is air pollution at its worst in Westerkappeln?

In Westerkappeln, reduced air quality is most noticeable when oak, beech, and birch pollen peaks, or during calm, hot days when local sources build up; the town's own traffic remains a modest, everyday contributor. Ragweed levels remain generally low here, typical of central and western Germany. The clearest air tends to arrive after rain or on breezy afternoons.

Are air quality levels in Westerkappeln 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