Le Castellet pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Le Castellet is low; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar. Over the following five days mugwort will increase; grass will remain stable. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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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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Le Castellet's parks and the Durance corridor feature plane and pine as the main tree pollen sources, with exposure varying between green areas and the more built-up centre. The Provencal farmland and garrigue scrub nearby are a major source of grass pollen later in the season, while local conditions tied to the Mediterranean climate affect how far pollen spreads.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Low
19/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
23/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Low
14/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
22/100
Air quality in Le Castellet
View air qualitySports venues in Le Castellet
Frequently Asked Questions
Is pollen high in Le Castellet right now?
On 9 August 2026, overall pollen levels in Le Castellet are low. Grass is the main contributor to airborne pollen, while artemisia remain at lower levels
Will pollen levels change in Le Castellet tomorrow?
On 10 August 2026, pollen conditions in Le Castellet will be similar to today, with grass at low levels, artemisia at low levels
Is pollen expected to decrease in Le Castellet this week?
According to the five-day outlook, artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Le Castellet?
On 9 August 2026, Grass is the dominant pollen source in Le Castellet. artemisia are also present but at lower levels. hazel, cypress, and willow are not currently active.
When is pollen season in Le Castellet?
How often is the Le Castellet pollen forecast updated?
The Le Castellet pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Le Castellet come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in Le Castellet based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Le Castellet, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Want to see pollen forecasts for other cities in France?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Le Castellet.
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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.