Worst air pollution L'Estaque - Marseille, today and tomorrow
Today (20 September): Air quality in L'Estaque is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 28.5/100).
Tomorrow (21 September 2026): Air quality in L'Estaque is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 23.0/100). Airmine updates local air quality forecasts four times daily.
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The L'Estaque area of Marseille experiences air quality driven by tourist traffic and coastal industry, while the Mistral wind provides powerful periodic ventilation, keeping conditions reasonable across the year. Summer brings the greatest risk of ozone build-up, as calm, hot anticyclonic conditions persist for days between Mistral episodes; winter is generally cleaner and better ventilated.
Today - 20 September | Pollution peaks at 17:00
AQI:
Fair
28.5/100
PM2.5 (fine particles):
Good
14.9/100
PM10 (coarse particles):
Good
18.3/100
NO2 (nitrogen dioxide):
Fair
21.5/100
O3 (ozone):
Fair
28.5/100
SO2 (sulfur dioxide):
Good
6.0/100
CO (carbon monoxide):
Good
0.8/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
4.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 16:00
AQI:
Fair
23.0/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
16.5/100
NO2 (nitrogen dioxide):
Good
11.9/100
O3 (ozone):
Fair
23.0/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
3.6/100
Other Landmarks in Marseille
Sports venues in Marseille
Frequently Asked Questions
Is air quality bad in L'Estaque right now?
On 20 September 2026, overall air quality in L'Estaque is fair. AQI is the main air quality indicator at 28.5/100. Pollution peaks around 5:00 PM (O3: 28.5/100).
Will air quality be worse tomorrow in L'Estaque?
On 21 September 2026, air quality conditions in L'Estaque will be similar to today, with AQI forecast at fair at 23.0/100. Pollution peaks around 4:00 PM (O3: 23.0/100).
When is air pollution at its worst in L'Estaque?
In L'Estaque, sensitive residents of Marseille feel it most when tourist traffic and coastal industry coincides with the plane and pine pollen peak; the Mistral wind provides powerful periodic ventilation. The presence of Provencal farmland and garrigue scrub in the area adds another layer to the local pattern.
Are air quality levels in L'Estaque 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: 20 September 2026 at 14:33 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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