Oyster Bay pollen forecast - today, tomorrow and the week ahead

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

Oyster Bay's suburban setting on Long Island's north shore features oak and maple as the main tree pollen sources in parks and along residential streets, with exposure varying between these green areas and the more built-up parts of the township. Surrounding Nassau County woodland and the Long Island Sound coastline contribute substantial grass and tree pollen, while onshore winds can periodically disperse pollen.

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

    13/100

  • 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

Frequently Asked Questions

Is pollen high in Oyster Bay right now?

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

Will pollen levels change in Oyster Bay tomorrow?

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

Is pollen expected to decrease in Oyster Bay this week?

According to the five-day outlook, grass pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.

Which pollen types are currently active in Oyster Bay?

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

When is pollen season in Oyster Bay?
Oyster Bay's pollen season on Long Island opens with maple and birch from late February, followed by oak through April and May. Grass pollen peaks through June and July, with ragweed extending the season into September. The Long Island Sound coastline means onshore winds can periodically moderate pollen levels, while surrounding Nassau County woodland and the flat Long Island landscape allow pollen to disperse readily across the township.
How often is the Oyster Bay pollen forecast updated?

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

Does pollen in Oyster Bay 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 Oyster Bay 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 Oyster Bay, 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, 09:02 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Oyster Bay.

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.