Wauwatosa pollen forecast — Jacobus Park neighborhood
Pollen Today
Today (2 September) pollen in Jacobus Park, Wauwatosa is high; ragweed is high; grass is moderate; mugwort is low.
Pollen Tomorrow
Tomorrow (3 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass, mugwort, and ragweed will increase; 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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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) | Moderate | 34/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 13/100 |
| Ragweed (Ambrosia) | High | 60/100 |
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 | 27/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 4/100 | |
| Ragweed (Ambrosia) | High | 52/100 |
Local Environmental Conditions
Water here is bordered by hazel and willow, both notable sources of wind-borne pollen, within the neighborhood. Oak and birch make up the bulk of this woodland, birch being the more potent allergen of the two, nearby. A park whose turf grass and ornamental plantings feed local grass and ragweed pollen levels; this sits in the surrounding area.
The waterside hazel and willow are consistently first to release pollen each year, leading off the pollen calendar, with a peak generally falling in late winter. Oak and birch nearby take over the pollen calendar through mid-spring, topping out in the April-to-May stretch. As spring turns to summer, grass pollen rises toward its June high, then gives way to ragweed, which drives the season's second major surge from mid-August into October.
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Pollen forecast neighborhoods 22 neighborhoods
Frequently Asked Questions About Pollen in Wisconsin
Is pollen high in Wauwatosa right now?
On 2 September 2026, overall pollen levels in Wauwatosa are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Wauwatosa tomorrow?
On 3 September 2026, pollen conditions in Wauwatosa will be similar to today, with grass at moderate levels, ambrosia at high levels, artemisia at low levels
Is pollen expected to decrease in Wauwatosa this week?
According to the five-day outlook, grass, ambrosia, and artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Wauwatosa?
On 2 September 2026, Ambrosia is the dominant pollen source in Wauwatosa. grass and artemisia are also present but at lower levels. cypress are not currently active.
When is pollen season in Wauwatosa?
How often is the Wauwatosa pollen forecast updated?
The Wauwatosa pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Wauwatosa 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 Wauwatosa 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 Wauwatosa, 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).
