Widnes pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Widnes is high; grass is high; cypress is medium. Tomorrow (26 June 2026) levels are similar - cypress declining, grass declining. Over the following five days grass will increase; cypress will decrease. 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

Widnes' parks and the River Mersey corridor feature oak and birch as the main tree pollen sources, with exposure varying between these green areas and the more built-up town centre. Surrounding Cheshire and Lancashire farmland and the Mersey estuary grasslands contribute substantial grass and tree pollen, while the flat lowland landscape allows pollen to disperse readily across the town under prevailing southwesterly winds.

Today - 25 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Medium

    26/100

  • Grass (Poaceae):

    High

    60/100

  • Willow (Salicaceae):

    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 - 26 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    8/100

  • Grass (Poaceae):

    Medium

    43/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Widnes right now?

On 25 June 2026, overall pollen levels in Widnes are high. Grass is the main contributor to airborne pollen, while cypress remain at lower levels

Will pollen levels change in Widnes tomorrow?

On 26 June 2026, pollen conditions in Widnes will be different from today, with cypress, grass continuing to decline

Is pollen expected to decrease in Widnes this week?

According to the five-day outlook, cypress 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 Widnes?

On 25 June 2026, Grass is the dominant pollen source in Widnes. cypress are also present but at lower levels. willow, alder, birch, and hazel are not currently active.

When is pollen season in Widnes?
Widnes' pollen season opens with hazel and alder from February, slightly later than southern UK cities due to the cooler, wetter northwest climate. Oak and birch follow through April and May, with grass peaking through June and July. The Mersey estuary grasslands are a locally significant source, while surrounding Cheshire farmland extends exposure and frequent northwest rainfall provides regular interruptions throughout the season.
How often is the Widnes pollen forecast updated?

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

Does pollen in Widnes 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 Widnes 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 Widnes, 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: 25 Jun 2026, 09:00 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Widnes.

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

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