Pontivy pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Pontivy is high; mugwort is high. Tomorrow (10 August 2026) levels are similar - mugwort declining. Over the following five days mugwort will increase. 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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Pontivy's tree cover, concentrated in parks and along the Rance, is dominated by birch and oak. Nearby Breton dairy pasture and coastal farmland add significant grass pollen exposure through the growing season, while the oceanic maritime climate shapes how pollen disperses across the town.

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):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    63/100

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):

    Medium

    47/100

Air quality in Pontivy

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Frequently Asked Questions

Is pollen high in Pontivy right now?

On 9 August 2026, overall pollen levels in Pontivy are high. Artemisia is the main contributor to airborne pollen

Will pollen levels change in Pontivy tomorrow?

On 10 August 2026, pollen conditions in Pontivy will be different from today, with artemisia continuing to decline

Is pollen expected to decrease in Pontivy this week?

According to the five-day outlook, artemisia pollen levels will increase later in the week.

Which pollen types are currently active in Pontivy?

On 9 August 2026, Artemisia is the dominant pollen source in Pontivy. hazel, cypress, grass, and willow are not currently active.

When is pollen season in Pontivy?
Pontivy begins its pollen season in deep winter, as hazel and alder start to release, with birch and oak rising to a peak by mid-spring, before the season closes with grass from coastal pasture through early summer, a pattern typical of the oceanic maritime climate here.
How often is the Pontivy pollen forecast updated?

The Pontivy pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Pontivy 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 Pontivy 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 Pontivy, 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 Pontivy.

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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.