Denbigh pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Denbigh is low; cypress and grass are low. Tomorrow (17 July 2026) levels are similar - cypress remains low, grass remains low, mugwort at low levels. 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.

For long term forecasts and maps, see the Airmine app

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

Use our Strava plugin to check your own exposure.

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 - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    6/100

  • Grass (Poaceae):

    Low

    16/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

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 - 17 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    11/100

  • Grass (Poaceae):

    Low

    20/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    2/100

Air quality in Denbigh

View air quality

Frequently Asked Questions

Is pollen high in Denbigh right now?

On 16 July 2026, overall pollen levels in Denbigh are low. Cypress is the main contributor to airborne pollen, while grass remain at lower levels

Will pollen levels change in Denbigh tomorrow?

On 17 July 2026, pollen conditions in Denbigh will be different from today, with artemisia at low levels, cypress at low levels, grass at low levels

Is pollen expected to decrease in Denbigh 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 Denbigh?

On 16 July 2026, Cypress is the dominant pollen source in Denbigh. grass are also present but at lower levels. alder, artemisia, birch, hazel, and willow 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?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 16 July 2026 at 05:36 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Denbigh.

For long term forecasts and maps, see the Airmine app

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.