Lebanon pollen forecast - today, tomorrow and the week ahead

Today (30 August) pollen in Lebanon 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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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Lebanon's Pennsylvania Cumberland Valley setting features oak, maple, and hickory as the main tree pollen sources, with exposure varying between the wooded South Mountain foothills to the south and the more open Cumberland Valley floor commercial and residential areas. South Mountain creates distinct elevation-based pollen gradients, while the Quitapahilla Creek corridor provides locally significant green space and surrounding farmland extends grass pollen.

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

    47/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    42/100

  • 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

    28/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    21/100

  • Ragweed (Ambrosia):

    High

    70/100

Air quality in Lebanon

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Frequently Asked Questions

Is pollen high in Lebanon right now?

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

Will pollen levels change in Lebanon tomorrow?

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

Is pollen expected to decrease in Lebanon this week?

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

Which pollen types are currently active in Lebanon?

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

When is pollen season in Lebanon?
Lebanon's Pennsylvania setting produces a season opening in late February with cedar and elm before oak peaks through April. Grass from surrounding Pennsylvania farmland peaks through May and June before mugwort and nettle extend exposure into September. The Lebanon Valley channels airflows and concentrates pollen, while the moderate Appalachian climate produces a well-defined seasonal progression throughout.
How often is the Lebanon pollen forecast updated?

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

Does pollen in Lebanon 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 Lebanon 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 Lebanon, 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 Lebanon.

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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.