Grantsburg pollen forecast — James McNally Campground neighborhood

Today (30 August) pollen in James McNally Campground, Grantsburg is moderate; grass and ragweed are moderate; mugwort is low. Tomorrow (31 August 2026) levels are similar - grass remains moderate, mugwort increasing, ragweed 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.

Get the full experience in the Airmine app.

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

Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.

In James McNally Campground, here, in the surrounding area, hazel and willow thrive along the damp bank, both prolific early wind-pollinators. Here, within easy reach, tree cover made up mostly of oak and birch, both significant spring allergen sources. Located in the wider area, this area has a nearby park's turf and ornamental trees layer grass and ragweed pollen onto the seasonal mix.

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):

    Moderate

    33/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    14/100

  • Ragweed (Ambrosia):

    Moderate

    42/100

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):

    Moderate

    46/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Moderate

    28/100

  • Ragweed (Ambrosia):

    High

    56/100

Other Landmarks in Grantsburg

Sports venues in Grantsburg

Frequently Asked Questions

Is pollen high in Grantsburg right now?

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

Will pollen levels change in Grantsburg tomorrow?

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

Is pollen expected to decrease in Grantsburg 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 Grantsburg?

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

When is pollen season in Grantsburg?
Around James McNally Campground, along the waterway, hazel and willow release pollen first, reaching its high point sometime in late winter or early spring. As spring advances, oak and birch in the nearby woodland become the dominant source, generally peaking somewhere between April and May. Grass pollen counts rise through late spring, reaching their peak around June, before ragweed's late-summer surge carries the season into October.
How often is the Grantsburg pollen forecast updated?

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

Does pollen in Grantsburg 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 Grantsburg 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 Grantsburg, 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 James McNally Campground, Grantsburg.

Get the full experience in 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.

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.