Dundalk pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Dundalk is low; cypress and grass are low. Tomorrow (26 June 2026) levels are similar. Over the following five days cypress and 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

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Dundalk's Baltimore suburban Maryland setting features oak, sweetgum, and pine as the main tree pollen sources, with exposure varying between the limited wooded residential areas and the more built-up industrial and commercial waterfront corridors. The Patapsco River corridor and Bear Creek provide locally significant green space, while the Chesapeake Bay proximity creates temperature-modifying effects and the industrial waterfront setting limits local vegetation significantly.

Today - 25 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    13/100

  • Grass (Poaceae):

    Low

    22/100

  • 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

    1/100

  • Grass (Poaceae):

    Low

    8/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Dundalk right now?

On 25 June 2026, overall pollen levels in Dundalk are low. Grass is the main contributor to airborne pollen, while cypress remain at lower levels

Will pollen levels change in Dundalk tomorrow?

On 26 June 2026, pollen conditions in Dundalk will be similar to today, with grass at low levels, cypress at low levels

Is pollen expected to decrease in Dundalk this week?

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

Which pollen types are currently active in Dundalk?

On 25 June 2026, Grass is the dominant pollen source in Dundalk. cypress are also present but at lower levels. willow and hazel are not currently active.

When is pollen season in Dundalk?
Dundalk's Baltimore suburban setting in Maryland produces a season opening in late February with cedar and elm before oak peaks through April. Grass from surrounding Maryland farmland peaks through May and June before mugwort and nettle extend exposure into September. The Chesapeake Bay proximity moderates temperatures, while the warm mid-Atlantic climate advances the season compared to more northern East Coast cities.
How often is the Dundalk pollen forecast updated?

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

Does pollen in Dundalk 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 Dundalk 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 Dundalk, 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?

Check pollen in other popular cities:

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 Dundalk.

For long term forecasts and maps, see the Airmine app

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.