Norwich pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Norwich is medium; grass is medium; cypress is low. Tomorrow (17 July 2026) levels are similar - grass remains medium. Over the following five days cypress and grass will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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

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Around Norwich, oak and birch are the dominant species behind local tree pollen, with counts higher near parks than in the centre. Fields and hedgerows just outside town push grass pollen counts up noticeably once easterly winds set in. Locals with allergies tend to plan around two peaks a year rather than one long stretch.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    3/100

  • Grass (Poaceae):

    Medium

    40/100

  • 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):

    None

    0/100

  • Grass (Poaceae):

    Medium

    33/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

Air quality in Norwich

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Frequently Asked Questions

Is pollen high in Norwich right now?

On 16 July 2026, overall pollen levels in Norwich are moderate. Grass is the main contributor to airborne pollen, while cypress remain at lower levels

Will pollen levels change in Norwich tomorrow?

On 17 July 2026, pollen conditions in Norwich will be different from today, with grass at medium levels

Is pollen expected to decrease in Norwich 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 Norwich?

On 16 July 2026, Grass is the dominant pollen source in Norwich. cypress are also present but at lower levels. alder, artemisia, birch, hazel, and willow are not currently active.

When is pollen season in Norwich?
If you're wondering when hay fever kicks off in Norwich, it's mostly down to oak and birch. Grass season overlaps a lot of this too, running May through September and peaking mid-summer. You'll usually see oak pollen from around April through May, then birch carries on from March until May. Worth keeping an eye on the forecast if you're sensitive.
How often is the Norwich pollen forecast updated?

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

Does pollen in Norwich 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 Norwich 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 Norwich, 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: 16 July 2026 at 05:36 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Norwich.

For long term forecasts and maps, see the Airmine app

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