West Des Moines pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in West Des Moines is medium; grass, mugwort, and ragweed are medium. Tomorrow (10 August 2026) levels are similar - grass declining, mugwort declining, ragweed declining. Over the following five days grass, mugwort, and ragweed 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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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 - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
37/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
46/100
-
Ragweed (Ambrosia):
Medium
50/100
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 - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Low
2/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
10/100
-
Ragweed (Ambrosia):
Low
16/100
Air quality in West Des Moines
View air qualityFrequently Asked Questions
Is pollen high in West Des Moines right now?
On 9 August 2026, overall pollen levels in West Des Moines are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in West Des Moines tomorrow?
On 10 August 2026, pollen conditions in West Des Moines will be different from today, with ambrosia, artemisia, grass continuing to decline
Is pollen expected to decrease in West Des Moines this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels will increase later in the week.
Which pollen types are currently active in West Des Moines?
On 9 August 2026, Ambrosia is the dominant pollen source in West Des Moines. artemisia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in West Des Moines?
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?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for West Des Moines.
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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.