Weirton pollen forecast - today, tomorrow and the week ahead

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

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Weirton's setting on the Ohio River valley steel corridor supports oak-hickory forest, riverside sycamore, and eastern hemlock as the leading local vegetation, all factoring into the pollen count through the year. Wind patterns across the area help determine how far pollen travels from these source plants. As with most of the region, counts tend to build gradually rather than spike overnight.

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

    50/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    28/100

  • 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

    45/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    22/100

  • Ragweed (Ambrosia):

    High

    70/100

Air quality in Weirton

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Frequently Asked Questions

Is pollen high in Weirton right now?

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

Will pollen levels change in Weirton tomorrow?

On 31 August 2026, pollen conditions in Weirton will be different from today, with ambrosia at high levels, grass at moderate levels and artemisia continuing to decline

Is pollen expected to decrease in Weirton this week?

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

Which pollen types are currently active in Weirton?

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

When is pollen season in Weirton?
Weirton sees its pollen season open with cedar and elm from February then oak follows, running through March and April. Peak grass pollen arrives in April and May, and a modest late-summer weed pollen tail continues into September. Mild winters across the Southeast push the pollen calendar earlier than in most of the country throughout the year.
How often is the Weirton pollen forecast updated?

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

Does pollen in Weirton 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 Weirton 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 Weirton, 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 08:36 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Weirton.

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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.