Worst air pollution Stade de la Beaujoire - Nantes, today and tomorrow

Today (9 August): Air quality in Stade de la Beaujoire 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 Stade de la Beaujoire 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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Stade de la Beaujoire's air quality is shaped mainly by river-port traffic and light industry, while the Loire estuary and Atlantic winds ventilate the area, generally maintaining good conditions on most days. Conditions are fairly even across the year, with the calmest late-summer days occasionally allowing modest ozone build-up before Atlantic winds clear it again.

Today - 9 August | Pollution peaks at 14:00

AQI:

Fair

38.0/100

PM2.5 (fine particles):

Good

12.4/100

PM10 (coarse particles):

Good

9.6/100

NO2 (nitrogen dioxide):

Good

18.6/100

O3 (ozone):

Fair

38.0/100

SO2 (sulfur dioxide):

Good

2.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

9.2/100

PM1 (ultrafine particles):

Good

7.0/100

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

8.5/100

PM10 (coarse particles):

Good

6.1/100

NO2 (nitrogen dioxide):

Good

10.5/100

O3 (ozone):

Fair

27.3/100

SO2 (sulfur dioxide):

Good

2.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.9/100

PM1 (ultrafine particles):

Good

5.1/100

Other Landmarks in Nantes

Sports venues in Nantes

Frequently Asked Questions

Is air quality bad in Stade de la Beaujoire right now?

On 9 August 2026, overall air quality in Stade de la Beaujoire 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 Stade de la Beaujoire?

On 10 August 2026, air quality conditions in Stade de la Beaujoire 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 Stade de la Beaujoire?

At Stade de la Beaujoire, the combination of oak and plane pollen and river-port traffic and light industry is what most affects sensitive visitors, typically in spring; the Loire estuary and Atlantic winds ventilate the area.

Are air quality levels in Stade de la Beaujoire 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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