Gloucester pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Gloucester is low; grass is low. Tomorrow (17 July 2026) levels are similar - grass increasing, cypress at low levels, mugwort at low levels. Over the following five days cypress and mugwort will increase; grass 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

Use our Strava plugin to check your own exposure.

Gloucester's parks and green spaces feature plane and lime as the main tree pollen sources, with exposure varying between these greener areas and the more built-up town centre. Grass pollen from surrounding Gloucestershire fields is significant through the summer months, carried in by onshore breezes. It's a pattern shared by plenty of similarly sized towns nearby, shaped more by geography than anything unusual locally.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    18/100

  • 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

    6/100

  • Grass (Poaceae):

    Medium

    26/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    6/100

Air quality in Gloucester

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Frequently Asked Questions

Is pollen high in Gloucester right now?

On 16 July 2026, overall pollen levels in Gloucester are low. Grass is the main contributor to airborne pollen

Will pollen levels change in Gloucester tomorrow?

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

Is pollen expected to decrease in Gloucester this week?

According to the five-day outlook, grass pollen levels are expected to gradually decrease, while cypress and artemisia pollen will increase, suggesting mixed conditions later in the week.

Which pollen types are currently active in Gloucester?

On 16 July 2026, Grass is the dominant pollen source in Gloucester. hazel, cypress, willow, alder, artemisia, and birch are not currently active.

When is pollen season in Gloucester?
So here's the rundown for Gloucester: plane pollen shows up first, then lime takes over. Expect plane pollen roughly from April to June, then lime carries on from May until July. Grass then takes over from May right through September, peaking around June and July for most people. Handy to bear in mind before booking that garden party.
How often is the Gloucester pollen forecast updated?

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

Does pollen in Gloucester 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 Gloucester 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 Gloucester, 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 10:33 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Gloucester.

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.