Houma pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Houma is medium; grass and ragweed are medium. Tomorrow (10 August 2026) levels are similar. Over the following five days grass 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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Houma's parks, including Southdown Plantation and the Terrebonne Bayou corridor, feature oak, cypress, and magnolia as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Surrounding Louisiana coastal wetlands and marsh contribute substantial grass and reed pollen, while the flat, low-lying landscape and Gulf Coast position allow pollen to disperse readily across the area.

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):

    Medium

    26/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    Medium

    27/100

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):

    Medium

    31/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    Medium

    33/100

Air quality in Houma

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Frequently Asked Questions

Is pollen high in Houma right now?

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

Will pollen levels change in Houma tomorrow?

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

Is pollen expected to decrease in Houma 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 Houma?

On 9 August 2026, Ambrosia is the dominant pollen source in Houma. grass are also present but at lower levels. artemisia and cypress are not currently active.

When is pollen season in Houma?
Houma's pollen season opens with oak and pine from late January in the mild Gulf Coast climate. Grass pollen follows through March and April, with ragweed extending the season into October. The flat, low-lying Louisiana coastal landscape and surrounding Terrebonne bayou and marsh contribute substantial grass and reed pollen, while the Gulf Coast position means onshore breezes can periodically disperse urban pollen across the area.
How often is the Houma pollen forecast updated?

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

Does pollen in Houma 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 Houma 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 Houma, 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?

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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 Houma.

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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.