Épinay-sur-Seine pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Épinay-sur-Seine is high; mugwort is high; grass is low. Tomorrow (10 August 2026) levels are similar - mugwort remains high. Over the following five days grass will increase; mugwort will decrease. 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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Épinay-sur-Seine's Seine River waterfront and the Forêt de Montmorency fringe feature plane, oak, and linden as the main tree pollen sources, with exposure varying between these areas and the densely built city centre. As part of inner north Paris, local sources dominate, while the Seine corridor channels airflows and the Forêt de Montmorency contributes locally significant tree pollen during the spring season.

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

    23/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    70/100

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):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    64/100

Air quality in Épinay-sur-Seine

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Frequently Asked Questions

Is pollen high in Épinay-sur-Seine right now?

On 9 August 2026, overall pollen levels in Épinay-sur-Seine are high. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels

Will pollen levels change in Épinay-sur-Seine tomorrow?

On 10 August 2026, pollen conditions in Épinay-sur-Seine will be different from today, with artemisia at high levels

Is pollen expected to decrease in Épinay-sur-Seine this week?

According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, while grass pollen will increase, suggesting mixed conditions later in the week.

Which pollen types are currently active in Épinay-sur-Seine?

On 9 August 2026, Artemisia is the dominant pollen source in Épinay-sur-Seine. grass are also present but at lower levels. hazel, cypress, and willow are not currently active.

When is pollen season in Épinay-sur-Seine?
Épinay-sur-Seine's Seine valley position in inner north Paris connects it to the metropolitan pollen landscape. Hazel and alder open from January before birch and plane peak through April and May, with grass peaking through June and July. The Forêt de Montmorency contributes locally significant tree pollen during spring, while the urban heat island extends the season and surrounding farmland adds exposure.
How often is the Épinay-sur-Seine pollen forecast updated?

The Épinay-sur-Seine pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Épinay-sur-Seine 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 Épinay-sur-Seine 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 Épinay-sur-Seine, 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?

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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Épinay-sur-Seine.

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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.