Summerville pollen forecast - today, tomorrow and the week ahead

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

Summerville's Dorchester County South Carolina Charleston suburban setting features longleaf pine, live oak, and sweetgum as the main tree pollen sources, with exposure varying between the wooded Sawmill Branch and Four Mile Branch corridor residential areas and the more built-up commercial corridors along US 17A. The Ashley River corridor to the west provides locally significant green space, while the surrounding South Carolina Lowcountry pine-oak woodland contributes substantial regional tree pollen throughout the spring season.

Today - 25 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    4/100

  • Grass (Poaceae):

    Low

    8/100

  • 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

    10/100

  • Grass (Poaceae):

    Low

    14/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Summerville right now?

On 25 June 2026, overall pollen levels in Summerville are low. Cypress is the main contributor to airborne pollen, while grass remain at lower levels

Will pollen levels change in Summerville tomorrow?

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

Is pollen expected to decrease in Summerville this week?

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

Which pollen types are currently active in Summerville?

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

When is pollen season in Summerville?
Summerville's Charleston suburban setting in South Carolina produces a season opening in late January with pine and oak before grass from surrounding South Carolina Lowcountry farmland peaks through April and May. Mugwort and nettle extend exposure into September, while the flat coastal plain setting allows pollen to disperse widely and the warm Southeast climate advances the season compared to more northern cities throughout.
How often is the Summerville pollen forecast updated?

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

Does pollen in Summerville 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 Summerville 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 Summerville, 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.

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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 Summerville.

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.