Worst air pollution Vierzon, today and tomorrow

Today (24 August): Air quality in Vierzon is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 34.5/100).
Tomorrow (25 August 2026): Air quality in Vierzon is moderate. AQI worsens to moderate; NO2 increases to moderate; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 42.4/100). 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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In Vierzon, agricultural traffic and river-valley industry is the primary local source affecting air quality, near the Loire, though the wide Loire valley allows steady airflow, limiting how much pollution can build up locally. Winter conditions can trap particulates during calm, cold spells, while summer generally sees better ventilation, aside from occasional heatwave-driven ozone episodes.

Today - 24 August | Pollution peaks at 23:00

AQI:

Fair

34.5/100

PM2.5 (fine particles):

Good

6.5/100

PM10 (coarse particles):

Good

1.8/100

NO2 (nitrogen dioxide):

Fair

34.5/100

O3 (ozone):

Fair

32.8/100

SO2 (sulfur dioxide):

Good

2.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.1/100

PM1 (ultrafine particles):

Good

8.9/100

Levels show the poorest local air quality during the day

Tomorrow - 25 August | Pollution peaks at 01:00

AQI:

Moderate

42.4/100

PM2.5 (fine particles):

Good

8.3/100

PM10 (coarse particles):

Good

2.3/100

NO2 (nitrogen dioxide):

Moderate

42.4/100

O3 (ozone):

Fair

28.6/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.2/100

PM1 (ultrafine particles):

Good

11.4/100

Pollen forecast in Vierzon

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Frequently Asked Questions

Is air quality bad in Vierzon right now?

On 24 August 2026, overall air quality in Vierzon is fair. AQI is the main air quality indicator at 34.5/100. Pollution peaks around 11:00 PM (NO2: 34.5/100).

Will air quality be worse tomorrow in Vierzon?

On 25 August 2026, air quality conditions in Vierzon will be worse than today, with AQI forecast at moderate at 42.4/100. Pollution peaks around 1:00 AM (NO2: 42.4/100).

When is air pollution at its worst in Vierzon?

For people sensitive to both pollen and pollution in Vierzon, spring days combining agricultural traffic and river-valley industry with the oak and plane peak are the ones to watch; the wide Loire valley allows steady airflow, which tends to clear things fairly quickly. Nearby Loire valley cereal farmland and vineyards add a further seasonal factor.

Are air quality levels in Vierzon 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: 24 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.

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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