Fitchburg pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Fitchburg is medium; ragweed is medium; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar - mugwort remains low, ragweed remains medium. 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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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Fitchburg sits on a former mill city along the Nashua River, where the dominant vegetation is a mix of oak-hickory forest, riverside maple, and urban shade trees, shaping the local pollen profile across the seasons. This mix of plant life is fairly typical for the wider area around Fitchburg. Small local variations aside, this pattern holds fairly steady from year to year.

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

    5/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    16/100

  • Ragweed (Ambrosia):

    Medium

    44/100

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):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    8/100

  • Ragweed (Ambrosia):

    Medium

    39/100

Air quality in Fitchburg

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Frequently Asked Questions

Is pollen high in Fitchburg right now?

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

Will pollen levels change in Fitchburg tomorrow?

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

Is pollen expected to decrease in Fitchburg 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 Fitchburg?

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

When is pollen season in Fitchburg?
Fitchburg's pollen season opens with maple and elm from March with birch and oak joining in and continuing through April and May. Grass pollen rises through June and July, and a modest weed pollen tail continues into September. The New England climate compresses tree, grass, and weed pollen into a shorter but intense season, shaping conditions across the city.
How often is the Fitchburg pollen forecast updated?

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

Does pollen in Fitchburg 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 Fitchburg 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 Fitchburg, 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: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Fitchburg.

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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.