Denbigh pollen forecast - today, tomorrow and the week ahead

Today (30 August) pollen in Denbigh is high; mugwort is high; grass is low. Tomorrow (31 August 2026) levels are similar - mugwort remains high. Over the following five days grass and mugwort will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

Get the full experience in the Airmine app.

Download on the App Store Get it on Google Play

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.

Learn more

Tree pollen in Denbigh comes mostly from oak and ash, with parks and mature gardens standing in contrast to the more built-up centre. The wider Denbighshire countryside supplies additional tree and grass pollen, particularly when southwesterly winds carry it toward the built-up area. Seasonal peaks tend to track the wider regional pattern, tree pollen leading in spring and grass through summer.

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

    11/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    70/100

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):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    56/100

Air quality in Denbigh

View air quality

Frequently Asked Questions

Is pollen high in Denbigh right now?

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

Will pollen levels change in Denbigh tomorrow?

On 31 August 2026, pollen conditions in Denbigh will be different from today, with artemisia at high levels

Is pollen expected to decrease in Denbigh this week?

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

Which pollen types are currently active in Denbigh?

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

When is pollen season in Denbigh?
For Denbigh, the season kicks off with oak and then hands things over to ash. Expect oak pollen roughly from April to May, then ash carries on from March until May. After that, grass pollen carries the season from May through to September, with June and July normally the toughest stretch. Not a bad idea to stock up on antihistamines before it all kicks off.
How often is the Denbigh pollen forecast updated?

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

Does pollen in Denbigh 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 Denbigh 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 Denbigh, 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?

Birmingham Bristol Glasgow Leeds Liverpool London Manchester Portsmouth Sheffield Southampton

Check pollen in other popular cities:

Melton Rio de Janeiro Copenhagen Athens Denpasar Rome Cape Town Barcelona London Los Angeles New York

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 Denbigh.

Get the full experience in the Airmine app.

Download on the App Store Get it on Google Play

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.

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.