Ballycastle pollen forecast - today, tomorrow and the week ahead

Today (30 August) pollen in Ballycastle is high; mugwort is high; grass is low. Tomorrow (31 August 2026) levels are similar. 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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Tree pollen in Ballycastle comes mostly from ash and alder, with parks and mature gardens standing in contrast to the more built-up centre. The nearby nearby woodland adds further grass and tree pollen exposure, particularly under shifting coastal winds. Hay fever sufferers here typically notice symptoms peaking in late spring, then again during the summer grass season.

Today - 30 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    12/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    68/100

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 - 31 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    7/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    64/100

Air quality in Ballycastle

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Frequently Asked Questions

Is pollen high in Ballycastle right now?

On 30 August 2026, overall pollen levels in Ballycastle are high. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels

Will pollen levels change in Ballycastle tomorrow?

On 31 August 2026, pollen conditions in Ballycastle will be similar to today, with artemisia at high levels, grass at low levels

Is pollen expected to decrease in Ballycastle 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 Ballycastle?

On 30 August 2026, Artemisia is the dominant pollen source in Ballycastle. grass are also present but at lower levels. willow, hazel, and cypress are not currently active.

When is pollen season in Ballycastle?
Locals in Ballycastle usually notice ash first, with alder not far behind it. Expect ash pollen roughly from March to May, while alder follows on from January to April. On top of that, grass pollen runs May to September and tends to hit hardest in June and July. Worth factoring in if hay fever's ever been an issue for you here.
How often is the Ballycastle pollen forecast updated?

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

Does pollen in Ballycastle 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 Ballycastle 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 Ballycastle, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Ballycastle.

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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.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.