Worst air pollution Koblenz, today and tomorrow
Today (20 September): Air quality in Koblenz is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (O3: 21.1/100).
Tomorrow (21 September 2026): Air quality in Koblenz is fair. PM2.5 increases to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 PM (NO2: 31.1/100). 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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Koblenz's air quality reflects the Rhein-Mosel confluence in the Middle Rhine gorge, with vehicle traffic on the B9 and A48 motorways contributing local sources in this historic German river city. The Rhine and Mosel valleys provide the primary ventilation corridors, while the surrounding Eifel, Hunsrück, and Westerwald plateaux create the characteristic Middle Rhine topographic variation.
Today - 20 September | Pollution peaks at 00:00
AQI:
Fair
21.1/100
PM2.5 (fine particles):
Good
17.2/100
PM10 (coarse particles):
Good
14.5/100
NO2 (nitrogen dioxide):
Good
15.9/100
O3 (ozone):
Fair
21.1/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
3.0/100
PM1 (ultrafine particles):
Good
7.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 21:00
AQI:
Fair
31.1/100
PM2.5 (fine particles):
Fair
23.3/100
PM10 (coarse particles):
Good
17.1/100
NO2 (nitrogen dioxide):
Fair
31.1/100
O3 (ozone):
Fair
22.2/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
15.9/100
Pollen forecast in Koblenz
View pollen forecastFrequently Asked Questions
Is air quality bad in Koblenz right now?
On 20 September 2026, overall air quality in Koblenz is fair. AQI is the main air quality indicator at 21.1/100. Pollution peaks around 12:00 AM (O3: 21.1/100).
Will air quality be worse tomorrow in Koblenz?
On 21 September 2026, air quality conditions in Koblenz will be similar to today, with AQI forecast at fair at 31.1/100. Pollution peaks around 9:00 PM (NO2: 31.1/100).
When is air pollution at its worst in Koblenz?
Koblenz residents notice reduced air quality mainly when chestnut, beech, and linden pollen peaks, or on warm, stagnant days when local emissions settle; vehicle traffic on local and regional roads is a modest local source. Ragweed remains a relatively minor seasonal factor in this central region. Conditions generally improve on windier, less humid days.
Are air quality levels in Koblenz 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 14:33 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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