Herriman pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Herriman is none Tomorrow (26 June 2026) levels are similar - cypress at low levels, grass at medium levels, willow at low levels. Over the following five days cypress, grass, and willow 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

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

Herriman's Salt Lake Valley Utah setting features cottonwood, Gambel oak, and mountain mahogany as the main pollen sources, with exposure varying between the Oquirrh Mountain foothills residential areas and the more built-up commercial corridors along Mountain View Corridor Highway. The Oquirrh Mountain backdrop creates distinct mountain-valley pollen gradients, while the Butterfield Canyon creek corridor provides locally significant green space and the rapid development of former agricultural land is changing local pollen dynamics significantly.

Today - 25 June

  • 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

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

    18/100

  • Grass (Poaceae):

    Medium

    34/100

  • Willow (Salicaceae):

    Low

    19/100

Frequently Asked Questions

Is pollen high in Herriman right now?

Currently, there is no significant pollen in Herriman.

Will pollen levels change in Herriman tomorrow?

On 26 June 2026, pollen conditions in Herriman will be different from today, with cypress at low levels, grass at medium levels, willow at low levels

Is pollen expected to decrease in Herriman this week?

According to the five-day outlook, cypress, grass, and willow pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.

Which pollen types are currently active in Herriman?

On 25 June 2026, there are no significant pollen types in Herriman.

When is pollen season in Herriman?
Herriman's Salt Lake Valley setting in Utah produces a season opening with elm and cottonwood in March before oak peaks through April and May. Grass from surrounding Utah valley farmland peaks through May and June before mugwort extends exposure into September. The Wasatch Mountain and Oquirrh Mountain backdrop concentrates pollen under certain wind conditions, while the dry intermountain climate means fewer rainfall interruptions than in more humid US cities.
How often is the Herriman pollen forecast updated?

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

Does pollen in Herriman 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 Herriman 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 Herriman, 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 States?

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Data provided by Airmine — Last update: 25 Jun 2026, 09:01 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Herriman.

For long term forecasts and maps, see 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

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