Cleveland pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Cleveland is medium; grass is medium. Tomorrow (26 June 2026) levels are similar - grass declining. 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

Cleveland's lakefront and river green network, anchored by Rockefeller Park and the Cuyahoga River corridor, features oak, birch, and maple as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Lake Erie onshore breezes can periodically disperse urban pollen, while surrounding Ohio farmland and woodland contribute additional grass and tree pollen under prevailing westerly 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):

    Medium

    36/100

  • 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):

    Low

    16/100

  • Willow (Salicaceae):

    None

    0/100

Pollen forecast for neighborhoods and landmarks in Cleveland

Cleveland Museum of Art Detroit Shoreway Glenville Glenville High School's Football Field Gordon Square Arts District Hough Lakewood Strip Little Italy Cleveland Ohio City Rock and Roll Hall of Fame Slavic Village Tremont University Circle

Frequently Asked Questions

Is pollen high in Cleveland right now?

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

Will pollen levels change in Cleveland tomorrow?

On 26 June 2026, pollen conditions in Cleveland will be different from today, with grass continuing to decline

Is pollen expected to decrease in Cleveland this week?

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

Which pollen types are currently active in Cleveland?

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

When is pollen season in Cleveland?
Cleveland's pollen season opens with maple and elm from late February, followed by oak and birch through April and May. Grass pollen peaks through June and July, with ragweed contributing into September. Lake Erie onshore breezes can periodically moderate pollen levels, while surrounding Ohio farmland and woodland contribute substantial grass and tree pollen. The lake-effect climate means more frequent cloud cover and precipitation than inland Ohio cities.
How often is the Cleveland pollen forecast updated?

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

Does pollen in Cleveland 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 Cleveland 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 Cleveland, 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:

Sydney Rio de Janeiro Copenhagen Paris Athens Denpasar Rome Cape Town Barcelona London Los Angeles New York

Data provided by Airmine — Last update: 25 Jun 2026, 13:01 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Cleveland.

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.