Waukegan pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Waukegan 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

Waukegan's parks and the North Shore Channel corridor feature oak, maple, and birch as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Surrounding Lake County Illinois farmland and woodland contribute substantial grass and tree pollen, while the Lake Michigan position means onshore breezes can periodically moderate pollen levels.

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

    42/100

  • 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

    17/100

  • Willow (Salicaceae):

    None

    0/100

Pollen forecast for neighborhoods and landmarks in Waukegan

Waukegan HS's Football Field

Frequently Asked Questions

Is pollen high in Waukegan right now?

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

Will pollen levels change in Waukegan tomorrow?

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

Is pollen expected to decrease in Waukegan this week?

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

Which pollen types are currently active in Waukegan?

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

When is pollen season in Waukegan?
Waukegan'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 Michigan to the east means onshore breezes can periodically moderate pollen levels, while surrounding Lake County Illinois and Wisconsin farmland contribute substantial grass and tree pollen under prevailing westerly winds throughout the season.
How often is the Waukegan pollen forecast updated?

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

Does pollen in Waukegan 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 Waukegan 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 Waukegan, 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 Waukegan.

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.