Worst air pollution Vénissieux, today and tomorrow
Today (9 August): Air quality in Vénissieux is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 36.1/100).
Tomorrow (10 August 2026): Air quality in Vénissieux is medium. AQI improves to medium; NO2 decreases to good; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 47.3/100). Airmine updates local air quality forecasts four times daily.
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Vénissieux's air quality reflects Greater Lyon's southeastern suburban industrial corridor, with vehicle traffic on the A43 motorway and the surrounding Berliet-Renault Trucks manufacturing legacy and industrial zone generating elevated PM2.5 and NOₓ. The Rhône valley provides ventilation on westerly winds, while the surrounding Alpine foothills and Massif Central create the typical enclosed basin conditions that make Lyon and its industrial suburbs one of France's more challenging winter air quality environments.
Today - 9 August | Pollution peaks at 13:00
AQI:
Fair
36.1/100
PM2.5 (fine particles):
Good
6.4/100
PM10 (coarse particles):
Good
1.8/100
NO2 (nitrogen dioxide):
Fair
21.4/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.6/100
PM1 (ultrafine particles):
Good
8.9/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 16:00
AQI:
Medium
47.3/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Good
19.7/100
O3 (ozone):
Medium
47.3/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.9/100
PM1 (ultrafine particles):
Good
9.0/100
Pollen forecast in Vénissieux
View pollen forecastFrequently Asked Questions
Is air quality bad in Vénissieux right now?
On 9 August 2026, overall air quality in Vénissieux is fair. AQI is the main air quality indicator at 36.1/100. Pollution peaks around 1:00 PM (O3: 36.1/100).
Will air quality be worse tomorrow in Vénissieux?
On 10 August 2026, air quality conditions in Vénissieux will be better than today, with AQI forecast at medium at 47.3/100. Pollution peaks around 4:00 PM (O3: 47.3/100).
When is air pollution at its worst in Vénissieux?
In Vénissieux, the worst combined pollen and air quality days tend to come when valley motorway traffic and light industry coincide with the peak birch and oak pollen season in spring; mountain valley winds alternate with calm temperature inversions, so conditions usually improve within a day or two.
Are air quality levels in Vénissieux 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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