Marion pollen forecast - today, tomorrow and the week ahead

Today (30 August) pollen in Marion is high; ragweed is high; grass and mugwort are moderate. Tomorrow (31 August 2026) levels are similar. Over the following five days ragweed will increase; grass and mugwort will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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The vegetation around Marion, on the Holston River valley in southwest Virginia's Appalachians, is dominated by oak-hickory forest and eastern hemlock, with rhododendron thickets adding further seasonal pollen exposure. None of this is unusual for a town with Marion's particular mix of terrain and plant life. Allergy sufferers in Marion generally plan around this same recurring seasonal rhythm.

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

    36/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    31/100

  • Ragweed (Ambrosia):

    High

    70/100

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):

    Moderate

    43/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    36/100

  • Ragweed (Ambrosia):

    High

    70/100

Air quality in Marion

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Frequently Asked Questions

Is pollen high in Marion right now?

On 30 August 2026, overall pollen levels in Marion are high. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels

Will pollen levels change in Marion tomorrow?

On 31 August 2026, pollen conditions in Marion will be similar to today, with artemisia at moderate levels, grass at moderate levels, ambrosia at high levels

Is pollen expected to decrease in Marion this week?

According to the five-day outlook, artemisia and grass pollen levels are expected to gradually decrease, while ambrosia pollen will increase, suggesting mixed conditions later in the week.

Which pollen types are currently active in Marion?

On 30 August 2026, Ambrosia is the dominant pollen source in Marion. artemisia and grass are also present but at lower levels. cypress are not currently active.

When is pollen season in Marion?
Marion's pollen season opens with cedar and elm from late February with oak following close behind through April. A grass pollen peak follows through May and June; a late-summer weed pollen tail runs into September. Relatively mild winters here bring the tree pollen season forward compared to points further north, shaping conditions across the city.
How often is the Marion pollen forecast updated?

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

Does pollen in Marion 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 Marion 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 Marion, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Marion.

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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.