Town of Shelter Island pollen forecast — Hay Beach neighborhood
Today (30 August) pollen in Hay Beach, Town of Shelter Island is high; ragweed is high; grass is moderate; mugwort is low. Tomorrow (31 August 2026) levels are similar - mugwort remains low, ragweed remains high, grass declining. Over the following five days grass, mugwort, and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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This patch of forest is largely oak and birch, a pairing known for heavy spring pollen output, in the wider area. Local microclimate and soil conditions can push these figures slightly higher or lower. The broader area tends to mirror this pattern, with only minor local variation. Seasonal timing here generally tracks the wider region, give or take a week or so.
Today - 30 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Moderate
34/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
18/100
-
Ragweed (Ambrosia):
High
63/100
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 - 31 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Low
23/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
5/100
-
Ragweed (Ambrosia):
High
51/100
Other Landmarks in Town of Shelter Island
Frequently Asked Questions
Is pollen high in Town of Shelter Island right now?
On 30 August 2026, overall pollen levels in Town of Shelter Island are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Town of Shelter Island tomorrow?
On 31 August 2026, pollen conditions in Town of Shelter Island will be different from today, with ambrosia at high levels, artemisia at low levels and grass continuing to decline
Is pollen expected to decrease in Town of Shelter Island this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Town of Shelter Island?
On 30 August 2026, Ambrosia is the dominant pollen source in Town of Shelter Island. grass and artemisia are also present but at lower levels. cypress are not currently active.
When is pollen season in Town of Shelter Island?
How often is the Town of Shelter Island pollen forecast updated?
The Town of Shelter Island pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Town of Shelter Island 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 Town of Shelter Island 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 Town of Shelter Island, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Hay Beach, Town of Shelter Island.
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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.