Roosevelt Park pollen forecast — Beachwood-Bluffton neighborhood
Pollen Today
Today (20 September) pollen in Beachwood-Bluffton, Roosevelt Park is moderate; grass, mugwort, and ragweed are moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) ragweed declining, grass no longer expected, mugwort no longer expected.
7-Day Trend
Over the next week grass, mugwort, and ragweed will increase.
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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) | Moderate | 36/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 26/100 |
| Ragweed (Ambrosia) | Moderate | 46/100 |
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) | Low | 6/100 |
Local Environmental Conditions
Hazel and willow cluster near the water, an early and reliable source of allergenic pollen; this sits a comfortable 200-300 meters away. This area, within 200m of this spot, has well-kept lawns and ornamental trees in this park add their share of grass and ragweed pollen. Local readings for the surrounding area tend to follow this same general pattern.
Hazel and willow along the water get the season underway before other species, arriving ahead of the rest of the season, cresting around late winter. Through late spring, grass pollen climbs steadily toward its June peak, with ragweed then rising to the fore from mid-August through October. Actual peak timing can drift earlier or later depending on how the season's weather plays out.
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Frequently Asked Questions About Pollen in Michigan
Is pollen high in Roosevelt Park right now?
On 20 September 2026, overall pollen levels in Roosevelt Park are moderate. Artemisia is the main contributor to airborne pollen, while grass and ambrosia remain at lower levels
Will pollen levels change in Roosevelt Park tomorrow?
On 21 September 2026, pollen conditions in Roosevelt Park will be different from today, with ambrosia continuing to decline
Is pollen expected to decrease in Roosevelt Park this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels will increase later in the week.
Which pollen types are currently active in Roosevelt Park?
On 20 September 2026, Artemisia is the dominant pollen source in Roosevelt Park. grass and ambrosia are also present but at lower levels.
When is pollen season in Roosevelt Park?
How often is the Roosevelt Park pollen forecast updated?
The Roosevelt Park pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Roosevelt Park 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 Roosevelt Park 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 Roosevelt Park, 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. |
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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).
