Karlsøy kommune pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Karlsøy kommune is high; mugwort is high; cypress is medium; grass and willow are low. Tomorrow (10 August 2026) levels are similar - cypress remains medium, mugwort declining. Over the following five days cypress, willow, and 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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Spread across the Karlsøy island archipelago on the outer Troms coast, Karlsøy opens the pollen season with alder from March before birch peaks through May. Grass from surrounding island farmland peaks through June and July, while the Norwegian Sea island position means onshore winds can frequently disperse pollen and the subarctic Atlantic climate produces a compressed season with regular rainfall interruptions throughout.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Medium

    50/100

  • Grass (Poaceae):

    Low

    5/100

  • Willow (Salicaceae):

    Low

    4/100

  • Mugwort (Artemisia):

    High

    56/100

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

    31/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    41/100

Air quality in Karlsøy kommune

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Frequently Asked Questions

Is pollen high in Karlsøy kommune right now?

On 9 August 2026, overall pollen levels in Karlsøy kommune are high. Artemisia is the main contributor to airborne pollen, while cypress, grass, and willow remain at lower levels

Will pollen levels change in Karlsøy kommune tomorrow?

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

Is pollen expected to decrease in Karlsøy kommune this week?

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

Which pollen types are currently active in Karlsøy kommune?

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

When is pollen season in Karlsøy kommune?
Karlsøy kommune's pollen season extends from March all the way through August, led in by alder and hazel from about March, with birch reaching its clearest peak through May. Grass pollen picks up next into the following June and July. With the glacier-fed valleys and heavy precipitation typical of this region, the local climate gives the season here a somewhat different character than nearby districts.
How often is the Karlsøy kommune pollen forecast updated?

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

Does pollen in Karlsøy kommune 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 Karlsøy kommune 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 Karlsøy kommune, 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: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Karlsøy kommune.

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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.