Newcastle County Down pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Newcastle County Down is medium; mugwort is medium; cypress and grass are low. Tomorrow (10 August 2026) levels are similar - mugwort 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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Residents in Newcastle County Down dealing with hay fever usually point to alder and birch as the culprits, particularly in spring near parks and gardens. The wider Newry, Mourne and Down countryside supplies additional tree and grass pollen, particularly when the area's changeable Atlantic weather carry it toward the built-up area. This mix of urban and rural influence gives Newcastle County Down a fairly typical pollen pattern for the wider region.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    6/100

  • Grass (Poaceae):

    Low

    5/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    28/100

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):

    Low

    22/100

Air quality in Newcastle County Down

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Frequently Asked Questions

Is pollen high in Newcastle County Down right now?

On 9 August 2026, overall pollen levels in Newcastle County Down are moderate. Artemisia is the main contributor to airborne pollen, while cypress and grass remain at lower levels

Will pollen levels change in Newcastle County Down tomorrow?

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

Is pollen expected to decrease in Newcastle County Down this week?

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

Which pollen types are currently active in Newcastle County Down?

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

When is pollen season in Newcastle County Down?
Want to know what triggers spring allergies in Newcastle County Down? Start with alder, then birch. You'll usually see alder pollen from around January through April, before birch takes over, usually March to May. Don't forget grass, either — it runs May to September and usually causes the most trouble in June and July. Worth keeping an eye on the forecast if you're sensitive.
How often is the Newcastle County Down pollen forecast updated?

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

Does pollen in Newcastle County Down 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 Newcastle County Down 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 Newcastle County Down, 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 United Kingdom?

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Check pollen in other popular cities:

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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 Newcastle County Down.

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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.