Germantown pollen forecast - today, tomorrow and the week ahead

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

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Germantown's Montgomery County Maryland setting features oak, tulip poplar, and maple as the main tree pollen sources, with exposure varying between the wooded Seneca Creek State Park residential areas and the more built-up commercial corridor along Germantown Road. The Seneca Creek corridor is a particularly significant local source, while the moderate mid-Atlantic climate allows substantial residential tree pollen during spring throughout this major Washington DC suburb.

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):

    Low

    6/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    15/100

  • Ragweed (Ambrosia):

    Medium

    40/100

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):

    Low

    4/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    14/100

  • Ragweed (Ambrosia):

    Medium

    41/100

Air quality in Germantown

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Frequently Asked Questions

Is pollen high in Germantown right now?

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

Will pollen levels change in Germantown tomorrow?

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

Is pollen expected to decrease in Germantown 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 Germantown?

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

When is pollen season in Germantown?
Germantown's suburban setting in Shelby County Tennessee opens with cedar and oak from late January. Grass pollen peaks through May and June, with ragweed extending the season into October. The flat Memphis suburban landscape allows substantial pollen from surrounding woodland and farmland to disperse widely, while the humid subtropical climate and the Wolf River corridor contribute substantial tree and grass pollen throughout the extended season.
How often is the Germantown pollen forecast updated?

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

Does pollen in Germantown 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 Germantown 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 Germantown, 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.

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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 Germantown.

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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.