Plummer pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Plummer is moderate; ragweed is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass will increase; ragweed will decrease; mugwort will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| 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) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 30/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| 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) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 40/100 |
Local Environmental Conditions
At Plummer, here, close by, hazel and willow cluster near the water, an early and reliable source of allergenic pollen. This patch of forest is largely oak and birch, a pairing known for heavy spring pollen output; this sits in the surrounding area. A stretch of mown parkland where turf and ornamental trees feed local grass and ragweed pollen, near this part of town.
Around Plummer, once hazel fades, oak and birch in the woods carry the season forward, cresting around April and May in the year's sharpest tree-pollen spike. Hazel and willow along the water get the season underway before other species, climbing steadily from late winter into March. Grass pollen rises through late spring toward a June high point, then yields to ragweed, the dominant late-summer and fall allergen through October.
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Pollen forecast neighborhoods 1 neighborhood
Frequently Asked Questions About Pollen in Minnesota
Is pollen high in Plummer right now?
On 20 September 2026, overall pollen levels in Plummer are moderate. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Plummer tomorrow?
On 21 September 2026, pollen conditions in Plummer will be similar to today, with ambrosia at moderate levels
Is pollen expected to decrease in Plummer this week?
According to the five-day outlook, ambrosia pollen levels are expected to gradually decrease, while grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Plummer?
On 20 September 2026, Ambrosia is the dominant pollen source in Plummer. artemisia and grass are not currently active.
When is pollen season in Plummer?
How often is the Plummer pollen forecast updated?
The Plummer pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Plummer 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 Plummer 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 Plummer, 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.
Understanding the Scale
The 0–100 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
