Worst air pollution Sindelfingen, today and tomorrow
Today (20 September): Air quality in Sindelfingen is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 35.9/100).
Tomorrow (21 September 2026): Air quality in Sindelfingen is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 PM (NO2: 31.3/100). 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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Sindelfingen's air quality reflects the Stuttgart metropolitan area's southern industrial corridor, with the Mercedes-Benz headquarters complex generating industrial and vehicle testing emissions alongside traffic on the A81. Stuttgart's notorious valley inversion problem affects the whole metropolitan ring, while the Schönbuch forest to the south offers limited direct ventilation benefit for the valley floor.
Today - 20 September | Pollution peaks at 15:00
AQI:
Fair
35.9/100
PM2.5 (fine particles):
Good
17.3/100
PM10 (coarse particles):
Good
12.1/100
NO2 (nitrogen dioxide):
Fair
21.7/100
O3 (ozone):
Fair
35.9/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
10.7/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 21:00
AQI:
Fair
31.3/100
PM2.5 (fine particles):
Fair
28.0/100
PM10 (coarse particles):
Good
18.0/100
NO2 (nitrogen dioxide):
Fair
31.3/100
O3 (ozone):
Fair
24.0/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
1.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
16.0/100
Pollen forecast in Sindelfingen
View pollen forecastFrequently Asked Questions
Is air quality bad in Sindelfingen right now?
On 20 September 2026, overall air quality in Sindelfingen is fair. AQI is the main air quality indicator at 35.9/100. Pollution peaks around 3:00 PM (O3: 35.9/100).
Will air quality be worse tomorrow in Sindelfingen?
On 21 September 2026, air quality conditions in Sindelfingen will be similar to today, with AQI forecast at fair at 31.3/100. Pollution peaks around 9:00 PM (NO2: 31.3/100).
When is air pollution at its worst in Sindelfingen?
In Sindelfingen, the days to watch are when chestnut, ash, and linden pollen peaks, or calm, hot days when local sources build up; vehicle traffic on local and regional roads is a modest local source. The warmer, more continental climate here brings a modest ragweed presence from mid-August. Breezier days generally bring the most comfortable conditions.
Are air quality levels in Sindelfingen 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: 20 September 2026 at 20:27 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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