Republic pollen forecast - today, tomorrow and the week ahead

Today (30 August) pollen in Republic is high; grass and ragweed are high; mugwort is low. Tomorrow (31 August 2026) levels are similar - grass remains high, ragweed remains high, mugwort increasing. Over the following five days grass, mugwort, and ragweed will decrease. 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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Republic's setting on a mountain valley in the Kettle River Range supports ponderosa pine, Douglas fir, and mountain meadow grasses as the leading local vegetation, all factoring into the pollen count through the year. Seasonal timing here follows the broader regional pattern typical of this part of the country. Small local variations aside, this pattern holds fairly steady from year to year.

Today - 30 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    High

    64/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    25/100

  • Ragweed (Ambrosia):

    High

    70/100

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 - 31 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    High

    70/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    35/100

  • Ragweed (Ambrosia):

    High

    70/100

Air quality in Republic

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Frequently Asked Questions

Is pollen high in Republic right now?

On 30 August 2026, overall pollen levels in Republic are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels

Will pollen levels change in Republic tomorrow?

On 31 August 2026, pollen conditions in Republic will be different from today, with ambrosia at high levels, grass at high levels and artemisia increasing

Is pollen expected to decrease in Republic this week?

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

Which pollen types are currently active in Republic?

On 30 August 2026, Ambrosia is the dominant pollen source in Republic. grass and artemisia are also present but at lower levels. cypress are not currently active.

When is pollen season in Republic?
Republic's pollen season opens with alder and birch from February before maple extends the tree season through March and April. Grass pollen then peaks through May and June, and dock and mugwort keep weed pollen elevated into September. The damp, mild regional climate keeps pollen counts lower than in drier parts of the country, though spring rain events can trigger brief spikes, shaping conditions across the city.
How often is the Republic pollen forecast updated?

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

Does pollen in Republic 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 Republic 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 Republic, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Republic.

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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.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.