Worst air pollution Château-Chinon, today and tomorrow
Today (9 August): Air quality in Château-Chinon is fair. O3 and HCHO are fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, and PM1 are good. Pollution peaks around 4:00 AM (NO2: 48.1/100).
Tomorrow (10 August 2026): Air quality in Château-Chinon is fair. PM2.5 increases to fair; HCHO decreases to good; all other pollutants stay as today. Pollution peaks around 7:00 AM (NO2: 43.2/100). Airmine updates local air quality forecasts four times daily.
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Air quality in Château-Chinon reflects light industry and river-valley traffic as the main local source, alongside its setting near the Doubs, while the Saone and Doubs valleys channel airflow, generally keeping conditions moderate to good on most days. Winter brings the worst air quality, as calm, cold conditions trap heating and traffic emissions in the river valleys; summer is generally cleaner, though occasional heatwaves can push ozone levels up.
Today - 9 August | Pollution peaks at 04:00
AQI:
Medium
48.1/100
PM2.5 (fine particles):
Good
14.3/100
PM10 (coarse particles):
Good
7.2/100
NO2 (nitrogen dioxide):
Medium
48.1/100
O3 (ozone):
Fair
33.9/100
SO2 (sulfur dioxide):
Good
6.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.8/100
PM1 (ultrafine particles):
Good
19.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 07:00
AQI:
Medium
43.2/100
PM2.5 (fine particles):
Fair
24.1/100
PM10 (coarse particles):
Good
17.8/100
NO2 (nitrogen dioxide):
Medium
43.2/100
O3 (ozone):
Fair
34.3/100
SO2 (sulfur dioxide):
Good
4.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.7/100
PM1 (ultrafine particles):
Good
15.8/100
Pollen forecast in Château-Chinon
View pollen forecastFrequently Asked Questions
Is air quality bad in Château-Chinon right now?
On 9 August 2026, overall air quality in Château-Chinon is fair. O3 is the main pollutant at 33.9/100. Pollution peaks around 4:00 AM (NO2: 48.1/100).
Will air quality be worse tomorrow in Château-Chinon?
On 10 August 2026, air quality conditions in Château-Chinon will be similar to today, with O3 forecast at fair at 34.3/100. Pollution peaks around 7:00 AM (NO2: 43.2/100).
When is air pollution at its worst in Château-Chinon?
The days that hit sensitive groups hardest in Château-Chinon are calm spring ones, when light industry and river-valley traffic and the oak and hornbeam pollen peak overlap; the Saone and Doubs valleys channel airflow, so relief usually isn't far behind.
Are air quality levels in Château-Chinon 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: 10 August 2026 at 02:34 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.
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