Worst air pollution Bourgoin-Jallieu, today and tomorrow
Today (30 August): Air quality in Bourgoin-Jallieu is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (NO2: 31.6/100).
Tomorrow (31 August 2026): Air quality in Bourgoin-Jallieu is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 29.7/100). Airmine updates local air quality forecasts four times daily.
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Bourgoin-Jallieu's air quality is shaped mainly by valley motorway traffic and light industry, with its position near the Isere playing a role, while mountain valley winds alternate with calm temperature inversions, generally keeping conditions moderate to good on most days. Winter is usually the toughest season, as cold air settles in the valleys and traps emissions for days, while summer sees better dispersion apart from occasional ozone build-up lower down.
Today - 30 August | Pollution peaks at 02:00
AQI:
Fair
31.6/100
PM2.5 (fine particles):
Good
8.9/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Fair
31.6/100
O3 (ozone):
Fair
28.3/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.6/100
PM1 (ultrafine particles):
Good
11.0/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 17:00
AQI:
Fair
29.7/100
PM2.5 (fine particles):
Good
4.7/100
PM10 (coarse particles):
Good
1.5/100
NO2 (nitrogen dioxide):
Good
18.5/100
O3 (ozone):
Fair
29.7/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.5/100
PM1 (ultrafine particles):
Good
5.5/100
Pollen forecast in Bourgoin-Jallieu
View pollen forecastFrequently Asked Questions
Is air quality bad in Bourgoin-Jallieu right now?
On 30 August 2026, overall air quality in Bourgoin-Jallieu is fair. AQI is the main air quality indicator at 31.6/100. Pollution peaks around 2:00 AM (NO2: 31.6/100).
Will air quality be worse tomorrow in Bourgoin-Jallieu?
On 31 August 2026, air quality conditions in Bourgoin-Jallieu will be similar to today, with AQI forecast at fair at 29.7/100. Pollution peaks around 5:00 PM (O3: 29.7/100).
When is air pollution at its worst in Bourgoin-Jallieu?
Residents in Bourgoin-Jallieu tend to notice the most discomfort when valley motorway traffic and light industry build up alongside the spring peak in birch and oak pollen; mountain valley winds alternate with calm temperature inversions, which typically keeps things from getting worse for long.
Are air quality levels in Bourgoin-Jallieu 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: 30 August 2026 at 20:26 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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