Olathe pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Olathe is low; grass is low. Tomorrow (26 June 2026) levels are similar - grass increasing, cypress at low levels. Over the following five days cypress will increase; grass 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

Olathe's parks, including Mahaffie Farmstead and the Cedar Creek corridor, feature oak, maple, and ash as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Surrounding Kansas and Missouri farmland and prairie contribute substantial grass and crop pollen, while the flat, open landscape allows pollen to disperse readily across the city under prevailing southwesterly winds.

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

    10/100

  • 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

    3/100

  • Grass (Poaceae):

    Medium

    29/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Olathe right now?

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

Will pollen levels change in Olathe tomorrow?

On 26 June 2026, pollen conditions in Olathe will be different from today, with cypress at low levels and grass increasing

Is pollen expected to decrease in Olathe this week?

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

Which pollen types are currently active in Olathe?

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

When is pollen season in Olathe?
Olathe's pollen season opens with elm and maple from late February, followed by oak and ash through April and May. Grass pollen peaks through June and July, with ragweed extending the season strongly into October. The flat, open Kansas and Missouri farmland landscape allows substantial grass and crop pollen to disperse widely under prevailing southwesterly winds, while the humid continental climate produces well-defined and intense seasonal peaks.
How often is the Olathe pollen forecast updated?

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

Does pollen in Olathe 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 Olathe 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 Olathe, 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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Check pollen in other popular cities:

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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 Olathe.

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.