Worst air pollution Cholet, today and tomorrow
Today (9 August): Air quality in Cholet is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 38.0/100).
Tomorrow (10 August 2026): Air quality in Cholet is fair. All pollutants stay as today. Pollution peaks around 4:00 PM (O3: 27.3/100). Airmine updates local air quality forecasts four times daily.
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Cholet's air quality benefits from the flat Vendée-Maine-et-Loire bocage position, with consistent Atlantic westerlies from the nearby Loire-Atlantique coast providing reliable ventilation. Vehicle traffic on the A87 motorway and the surrounding shoe and clothing manufacturing industry contribute the primary local sources, while the flat western French landscape and the Atlantic coastal proximity generally maintain Cholet among France's more moderate western urban environments throughout most of the year.
Today - 9 August | Pollution peaks at 14:00
AQI:
Fair
38.0/100
PM2.5 (fine particles):
Good
11.0/100
PM10 (coarse particles):
Good
8.5/100
NO2 (nitrogen dioxide):
Good
12.7/100
O3 (ozone):
Fair
38.0/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.2/100
PM1 (ultrafine particles):
Good
6.2/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 16:00
AQI:
Fair
27.3/100
PM2.5 (fine particles):
Good
7.6/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Good
7.2/100
O3 (ozone):
Fair
27.3/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Good
4.5/100
Pollen forecast in Cholet
View pollen forecastFrequently Asked Questions
Is air quality bad in Cholet right now?
On 9 August 2026, overall air quality in Cholet is fair. AQI is the main air quality indicator at 38.0/100. Pollution peaks around 2:00 PM (O3: 38.0/100).
Will air quality be worse tomorrow in Cholet?
On 10 August 2026, air quality conditions in Cholet will be similar to today, with AQI forecast at fair at 27.3/100. Pollution peaks around 4:00 PM (O3: 27.3/100).
When is air pollution at its worst in Cholet?
Residents in Cholet tend to notice the most discomfort when river-port traffic and light industry build up alongside the spring peak in oak and plane pollen; the Loire estuary and Atlantic winds ventilate the area, which typically keeps things from getting worse for long. The presence of Loire valley and Vendee farmland in the area adds another layer to the local pattern.
Are air quality levels in Cholet 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: 9 August 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.
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