West Allis pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in West Allis 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

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

West Allis's Milwaukee suburban Wisconsin setting features oak, maple, and elm as the main tree pollen sources, with exposure varying between the limited greener residential areas and the more built-up commercial and industrial corridors along Greenfield Avenue. The Honey Creek corridor provides locally significant green space, while the Milwaukee County Park system to the north provides additional tree pollen sources and the flat, densely developed urban landscape means limited local vegetation variation throughout.

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

    18/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in West Allis right now?

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

Will pollen levels change in West Allis tomorrow?

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

Is pollen expected to decrease in West Allis this week?

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

Which pollen types are currently active in West Allis?

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

When is pollen season in West Allis?
West Allis's Milwaukee suburban setting in Wisconsin produces a season opening in late March with elm and maple before birch and oak peak through May. Grass from surrounding Wisconsin farmland peaks through June and July before mugwort and nettle extend exposure into September. The Honey Creek corridor channels airflows, while the Lake Michigan proximity moderates temperatures and lake breezes can periodically suppress pollen dispersal.
How often is the West Allis pollen forecast updated?

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

Does pollen in West Allis 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 West Allis 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 West Allis, 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?

Atlanta Boston Chicago Dallas Houston Los Angeles Miami New York Philadelphia Washington

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, 09:02 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for West Allis.

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.