Town of Trempealeau pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (2 September) pollen in Town of Trempealeau is high; ragweed is high; grass is low.
Pollen Tomorrow
Tomorrow (3 September 2026) ragweed remains high, grass increasing, mugwort at moderate levels.
7-Day Trend
Over the next week grass, mugwort, and ragweed will decrease; cypress will remain stable.
Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset. Airmine's estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily. Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS) team.
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Air Quality
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Pollen Risk
Today - 2 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) | Low | 15/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | High | 56/100 |
Tomorrow - 3 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) | Moderate | 43/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 29/100 | |
| Ragweed (Ambrosia) | High | 70/100 |
Local Environmental Conditions
At Town of Trempealeau, a waterway supports hazel and willow along its bank, both strongly allergenic wind-pollinated species, a short distance from here. Seasonal timing here generally tracks the wider region, give or take a week or so. Surrounding neighborhoods with similar tree cover typically see a closely comparable pollen mix.
Around Town of Trempealeau, hazel and willow along the water get the season underway before other species, hitting its peak before most trees have even budded, around late winter into March. Late spring brings rising grass pollen that crests in June, with ragweed then rising to the fore from mid-August through October.
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Frequently Asked Questions About Pollen in Wisconsin
Is pollen high in Town of Trempealeau right now?
On 2 September 2026, overall pollen levels in Town of Trempealeau are high. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Town of Trempealeau tomorrow?
On 3 September 2026, pollen conditions in Town of Trempealeau will be different from today, with ambrosia at high levels, artemisia at moderate levels and grass increasing
Is pollen expected to decrease in Town of Trempealeau 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 Town of Trempealeau?
On 2 September 2026, Ambrosia is the dominant pollen source in Town of Trempealeau. grass are also present but at lower levels. artemisia and cypress are not currently active.
When is pollen season in Town of Trempealeau?
How often is the Town of Trempealeau pollen forecast updated?
The Town of Trempealeau pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Town of Trempealeau 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 Town of Trempealeau 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 Town of Trempealeau, 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 exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen exposure is expected to be at or near its highest levels. |
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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).
