Georgetown pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Georgetown is low; cypress, grass, and ragweed are low. Tomorrow (17 July 2026) levels are similar - ragweed remains low, cypress increasing, grass increasing. Over the following five days cypress, grass, and ragweed will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Georgetown's Texas Hill Country suburban setting features cedar, oak, and elm as the main tree pollen sources, with exposure varying considerably between the cedar-covered Hill Country terrain to the west and the more built-up commercial corridors along Williams Drive. The San Gabriel River corridor provides locally significant green space, while the transition between Hill Country cedar and Blackland Prairie oak creates distinct local pollen zones.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    15/100

  • Grass (Poaceae):

    Low

    15/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    Low

    13/100

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 - 17 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Medium

    27/100

  • Grass (Poaceae):

    Medium

    27/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    Low

    25/100

Air quality in Georgetown

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Frequently Asked Questions

Is pollen high in Georgetown right now?

On 16 July 2026, overall pollen levels in Georgetown are low. Cypress is the main contributor to airborne pollen, while grass and ambrosia remain at lower levels

Will pollen levels change in Georgetown tomorrow?

On 17 July 2026, pollen conditions in Georgetown will be different from today, with ambrosia at low levels and cypress, grass increasing

Is pollen expected to decrease in Georgetown this week?

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

Which pollen types are currently active in Georgetown?

On 16 July 2026, Cypress is the dominant pollen source in Georgetown. grass and ambrosia are also present but at lower levels. birch, oak, willow, alder, and artemisia are not currently active.

When is pollen season in Georgetown?
Georgetown's pollen season opens in late January with cedar and elm before oak peaks through March and April. Grass from surrounding Texas Hill Country farmland peaks through April and May before mugwort and nettle extend exposure into September. The cedar season is particularly significant locally, while the warm South Central climate advances the season compared to more northern US cities.
How often is the Georgetown pollen forecast updated?

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

Does pollen in Georgetown 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 Georgetown 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 Georgetown, 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: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Georgetown.

For long term forecasts and maps, see the Airmine app

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.