Highest air pollution Heilbronn, today and tomorrow
Today (30 June): Air quality in Heilbronn is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 42.2/100).
Tomorrow (1 July 2026): Air quality in Heilbronn is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 38.2/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Heilbronn's air quality reflects its position in the Neckar river valley in northern Baden-Württemberg, with vehicle traffic on the A6 motorway and the surrounding automotive, machinery, and chemicals manufacturing corridor generating elevated NOₓ and PM2.5. The Neckar valley's partial enclosure between the Swabian highlands and the Kraichgau plateau creates topographic concentration under calm conditions, while the Neckar river provides the primary ventilation corridor and the flat northern Baden-Württemberg plain allows reasonable dispersal on prevailing westerly wind days.
Today - 30 June | Pollution peaks at 14:00
AQI:
Medium
42.2/100
PM2.5 (fine particles):
Good
5.7/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Fair
20.0/100
O3 (ozone):
Medium
42.2/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.8/100
PM1 (ultrafine particles):
Good
7.1/100
Levels show the poorest local air quality during the day
Tomorrow - 1 July | Pollution peaks at 17:00
AQI:
Fair
38.2/100
PM2.5 (fine particles):
Good
7.9/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Fair
24.1/100
O3 (ozone):
Fair
38.2/100
SO2 (sulfur dioxide):
Good
3.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.3/100
PM1 (ultrafine particles):
Good
10.1/100
Pollen forecast in Heilbronn
View pollen forecastFrequently Asked Questions
Is air quality bad in Heilbronn right now?
On 30 June 2026, overall air quality in Heilbronn is fair. NO2 is the main pollutant at 20.0/100. Pollution peaks around 2:00 PM (O3: 42.2/100).
Will air quality be worse tomorrow in Heilbronn?
On 1 July 2026, air quality conditions in Heilbronn will be similar to today, with AQI forecast at fair at 38.2/100. Pollution peaks around 5:00 PM (O3: 38.2/100).
Are air quality levels in Heilbronn 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.
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Data provided by Airmine — Last update: 30 June 2026 at 13:04 CET (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
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team