Worst air pollution Konstanz, today and tomorrow

Today (21 July): Air quality in Konstanz 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: 33.0/100).
Tomorrow (22 July 2026): Air quality in Konstanz is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 7:00 PM (O3: 38.7/100). 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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Konstanz' air quality benefits from Lake Constance's consistent westerly and southwesterly breezes providing reliable maritime ventilation across this Swiss-German border city. Vehicle traffic on the B33 and the surrounding tourism and university research operations are the primary local sources, while the Bodensee's large water body moderates temperature extremes throughout the seasons.

Today - 21 July | Pollution peaks at 16:00

AQI:

Fair

33.0/100

PM2.5 (fine particles):

Good

8.5/100

PM10 (coarse particles):

Good

3.1/100

NO2 (nitrogen dioxide):

Good

14.9/100

O3 (ozone):

Fair

33.0/100

SO2 (sulfur dioxide):

Good

2.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.4/100

PM1 (ultrafine particles):

Good

6.9/100

Levels show the poorest local air quality during the day

Tomorrow - 22 July | Pollution peaks at 19:00

AQI:

Fair

38.7/100

PM2.5 (fine particles):

Good

7.9/100

PM10 (coarse particles):

Good

2.6/100

NO2 (nitrogen dioxide):

Fair

27.2/100

O3 (ozone):

Fair

38.7/100

SO2 (sulfur dioxide):

Good

1.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.6/100

PM1 (ultrafine particles):

Good

8.4/100

Pollen forecast in Konstanz

View pollen forecast

Frequently Asked Questions

Is air quality bad in Konstanz right now?

On 21 July 2026, overall air quality in Konstanz is fair. AQI is the main air quality indicator at 33.0/100. Pollution peaks around 4:00 PM (O3: 33.0/100).

Will air quality be worse tomorrow in Konstanz?

On 22 July 2026, air quality conditions in Konstanz will be similar to today, with AQI forecast at fair at 38.7/100. Pollution peaks around 7:00 PM (O3: 38.7/100).

When is air pollution at its worst in Konstanz?

Air quality dips in Konstanz mostly track linden, spruce, and oak pollen peaks and windless summer days when pollutants accumulate nearby; everyday local traffic contributes a modest, fairly steady source. This warmer southern climate brings a modest late-summer ragweed presence from mid-August. Wind and rain both help clear the air noticeably here.

Are air quality levels in Konstanz 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