Cedar Falls pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Cedar Falls is high; grass and ragweed are high; mugwort is medium. Tomorrow (10 August 2026) levels are similar - mugwort remains medium, grass declining, ragweed declining. Over the following five days ragweed will increase; grass and mugwort will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Cedar Falls sits on the Cedar River valley in northeast Iowa, where the dominant vegetation is a mix of sugar maple and oak forest, riverside willow, and farmland crops, shaping the local pollen profile across the seasons. Wind patterns across the area help determine how far pollen travels from these source plants. Microclimates within the area can shift the timing slightly from one neighborhood to the next.

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):

    High

    56/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    45/100

  • Ragweed (Ambrosia):

    High

    51/100

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):

    Medium

    45/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    32/100

  • Ragweed (Ambrosia):

    Medium

    40/100

Air quality in Cedar Falls

View air quality

Pollen forecast for neighborhoods and landmarks in Cedar Falls

Downtown Cedar Falls

Frequently Asked Questions

Is pollen high in Cedar Falls right now?

On 9 August 2026, overall pollen levels in Cedar Falls are high. Grass is the main contributor to airborne pollen, while ambrosia and artemisia remain at lower levels

Will pollen levels change in Cedar Falls tomorrow?

On 10 August 2026, pollen conditions in Cedar Falls will be different from today, with artemisia at medium levels and grass, ambrosia continuing to decline

Is pollen expected to decrease in Cedar Falls this week?

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

Which pollen types are currently active in Cedar Falls?

On 9 August 2026, Grass is the dominant pollen source in Cedar Falls. ambrosia and artemisia are also present but at lower levels. cypress are not currently active.

When is pollen season in Cedar Falls?
Pollen season in Cedar Falls starts with elm and cottonwood in March before ash takes over and peaks through April. Grass pollen rises through May and June, and a strong ragweed peak follows in late summer into September. Surrounding farmland is a major contributor to both the spring grass peak and the late-summer ragweed season, shaping conditions across the city.
How often is the Cedar Falls pollen forecast updated?

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

Does pollen in Cedar Falls 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 Cedar Falls 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 Cedar Falls, 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.

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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Cedar Falls.

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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.