Summerville pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Summerville is medium; ragweed is medium; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar. 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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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 - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    24/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    19/100

  • Ragweed (Ambrosia):

    Medium

    35/100

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 - 10 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    14/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    15/100

  • Ragweed (Ambrosia):

    Medium

    26/100

Air quality in Summerville

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Frequently Asked Questions

Is pollen high in Summerville right now?

On 9 August 2026, overall pollen levels in Summerville are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels

Will pollen levels change in Summerville tomorrow?

On 10 August 2026, pollen conditions in Summerville will be similar to today, with ambrosia at medium levels, artemisia at low levels, grass at low levels

Is pollen expected to decrease in Summerville 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 Summerville?

On 9 August 2026, Ambrosia is the dominant pollen source in Summerville. artemisia and grass are also present but at lower levels. cypress 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.

Want to see pollen forecasts for other cities in United States?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Summerville.

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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.