Leander pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Leander is low; mugwort and ragweed are low. Tomorrow (10 August 2026) levels are similar - mugwort remains low, ragweed remains low, cypress at low levels. Over the following five days mugwort and ragweed will increase; cypress will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Leander's Texas Hill Country and Blackland Prairie setting features cedar, live oak, and elm as the main tree pollen sources, with exposure varying between the cedar-covered Hill Country terrain and the more built-up commercial corridors along Highway 183. The transition zone between Hill Country cedar and Blackland Prairie oak creates locally distinct pollen zones, while the San Gabriel River corridor provides green space and surrounding development expands rapidly across former prairie.

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):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    5/100

  • Ragweed (Ambrosia):

    Low

    14/100

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):

    Low

    3/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    12/100

  • Ragweed (Ambrosia):

    Low

    21/100

Air quality in Leander

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Frequently Asked Questions

Is pollen high in Leander right now?

On 9 August 2026, overall pollen levels in Leander are low. Ambrosia is the main contributor to airborne pollen, while artemisia remain at lower levels

Will pollen levels change in Leander tomorrow?

On 10 August 2026, pollen conditions in Leander will be different from today, with cypress at low levels, ambrosia at low levels, artemisia at low levels

Is pollen expected to decrease in Leander this week?

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

Which pollen types are currently active in Leander?

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

When is pollen season in Leander?
Leander's Austin suburban setting in the Texas Hill Country produces a season opening in late January with cedar and elm before oak peaks through March and April. Grass from surrounding Texas farmland peaks through April and May before mugwort and nettle extend exposure into September. The mountain cedar season from December through February is one of the more intense and locally distinctive early-season pollen sources.
How often is the Leander pollen forecast updated?

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

Does pollen in Leander 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 Leander 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 Leander, 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: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Leander.

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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.