Hays pollen forecast - today, tomorrow and the week ahead

Today (30 August) pollen in Hays is high; ragweed is high; grass and mugwort are moderate. Tomorrow (31 August 2026) levels are similar - ragweed remains high, grass declining, mugwort 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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The vegetation around Hays, on short-grass high plains in west-central Kansas, is dominated by shortgrass prairie and wheat fields, with hedgerow cottonwood adding further seasonal pollen exposure. Local parks and open ground tend to see higher pollen counts than the denser urban core. Small local variations aside, this pattern holds fairly steady from year to year.

Today - 30 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Moderate

    31/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    43/100

  • Ragweed (Ambrosia):

    High

    70/100

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 - 31 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    13/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    22/100

  • Ragweed (Ambrosia):

    High

    55/100

Air quality in Hays

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Frequently Asked Questions

Is pollen high in Hays right now?

On 30 August 2026, overall pollen levels in Hays are high. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels

Will pollen levels change in Hays tomorrow?

On 31 August 2026, pollen conditions in Hays will be different from today, with ambrosia at high levels and artemisia, grass continuing to decline

Is pollen expected to decrease in Hays this week?

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

Which pollen types are currently active in Hays?

On 30 August 2026, Ambrosia is the dominant pollen source in Hays. artemisia and grass are also present but at lower levels. cypress are not currently active.

When is pollen season in Hays?
Hays's pollen season opens with elm and cottonwood from March then ash builds through April. Peak grass pollen arrives in May and June, and ragweed and mugwort extend the season into September. Wide-open plains terrain lets pollen travel long distances on the prevailing wind, a defining feature of the local season.
How often is the Hays pollen forecast updated?

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

Does pollen in Hays 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 Hays 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 Hays, 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: 30 August 2026 at 08:36 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Hays.

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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.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.