Ørsta pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Ørsta is high; cypress is high; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar - mugwort remains low, cypress declining. Over the following five days cypress, grass, and 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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Ørsta's dramatic setting beneath the jagged Sunnmøre Alps combines birch woodland on the lower slopes with the region's very high precipitation, which tends to wash pollen out of the air more frequently than drier inland valleys.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    High

    70/100

  • Grass (Poaceae):

    Low

    7/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    24/100

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):

    Medium

    50/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    6/100

Air quality in Ørsta

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Frequently Asked Questions

Is pollen high in Ørsta right now?

On 9 August 2026, overall pollen levels in Ørsta are high. Cypress is the main contributor to airborne pollen, while artemisia and grass remain at lower levels

Will pollen levels change in Ørsta tomorrow?

On 10 August 2026, pollen conditions in Ørsta will be different from today, with artemisia at low levels and cypress continuing to decline

Is pollen expected to decrease in Ørsta this week?

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

Which pollen types are currently active in Ørsta?

On 9 August 2026, Cypress is the dominant pollen source in Ørsta. artemisia and grass are also present but at lower levels. hazel and willow are not currently active.

When is pollen season in Ørsta?
For Ørsta, the pollen season is bookended by March and August, with the first releases of alder and hazel beginning in March, with birch reaching its clearest peak lasting through May. From there, grass pollen continues through the June-July stretch. With the frequent Atlantic weather systems that reach this stretch of coast, the local climate means the timing can vary from what neighbouring districts experience.
How often is the Ørsta pollen forecast updated?

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

Does pollen in Ørsta 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 Ørsta 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 Ørsta, 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 Norway?

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 Ørsta.

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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.