West Des Moines pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in West Des Moines is low; grass is low. Tomorrow (26 June 2026) levels are similar - grass increasing. Over the following five days grass 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

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

West Des Moines's Iowa suburban setting features oak, maple, and cottonwood as the main tree pollen sources, with exposure varying between the greener residential areas along the Raccoon River and Jordan Creek corridors and the more built-up commercial areas along Jordan Creek Parkway. The Raccoon River corridor is a particularly significant local source, while the surrounding Iowa cornbelt farmland contributes substantial grass and crop pollen during summer.

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):

    Low

    15/100

  • 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):

    None

    0/100

  • Grass (Poaceae):

    Medium

    35/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in West Des Moines right now?

On 25 June 2026, overall pollen levels in West Des Moines are low. Grass is the main contributor to airborne pollen

Will pollen levels change in West Des Moines tomorrow?

On 26 June 2026, pollen conditions in West Des Moines will be different from today, with grass increasing

Is pollen expected to decrease in West Des Moines this week?

According to the five-day outlook, cypress and grass pollen levels will increase later in the week.

Which pollen types are currently active in West Des Moines?

On 25 June 2026, Grass is the dominant pollen source in West Des Moines. hazel, cypress, and willow are not currently active.

When is pollen season in West Des Moines?
West Des Moines's Iowa suburban setting produces a season opening in late February with elm and maple before oak peaks through April. Grass from surrounding Iowa cornbelt farmland peaks through June and July before mugwort and nettle extend exposure into September. The Raccoon River corridor channels airflows, while the continental Midwest climate produces a well-defined seasonal progression and grass is particularly significant.
How often is the West Des Moines pollen forecast updated?

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

Does pollen in West Des Moines 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 West Des Moines 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 West Des Moines, 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, 09:02 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for West Des Moines.

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.