Town of Riverhead pollen forecast — Reeves Park neighborhood
Pollen Today
Today (2 September) pollen in Reeves Park, Town of Riverhead is moderate; ragweed is moderate; grass and mugwort are low.
Pollen Tomorrow
Tomorrow (3 September 2026) grass increasing, mugwort increasing, ragweed increasing.
7-Day Trend
Over the next week ragweed will increase; grass and mugwort 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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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 | 7/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 6/100 |
| Ragweed (Ambrosia) | Moderate | 30/100 |
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 | 32/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 30/100 | |
| Ragweed (Ambrosia) | High | 55/100 |
Local Environmental Conditions
Located in the surrounding area, this area has oak and birch dominating the treeline, both heavy contributors to the spring pollen load. The broader area tends to mirror this pattern, with only minor local variation. Seasonal timing here generally tracks the wider region, give or take a week or so.
Oak and birch nearby take over the pollen calendar through mid-spring, typically landing in April and May. Late spring sees grass pollen build steadily toward a peak in June, and ragweed later takes the lead from mid-August through October. Regional pollen monitoring generally reflects this same pattern across nearby areas.
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Pollen forecast neighborhoods 3 neighborhoods
Frequently Asked Questions About Pollen in New York
Is pollen high in Town of Riverhead right now?
On 2 September 2026, overall pollen levels in Town of Riverhead are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Town of Riverhead tomorrow?
On 3 September 2026, pollen conditions in Town of Riverhead will be different from today, with ambrosia, artemisia, grass increasing
Is pollen expected to decrease in Town of Riverhead this week?
According to the five-day outlook, artemisia and grass pollen levels are expected to gradually decrease, while ambrosia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Town of Riverhead?
On 2 September 2026, Ambrosia is the dominant pollen source in Town of Riverhead. artemisia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in Town of Riverhead?
How often is the Town of Riverhead pollen forecast updated?
The Town of Riverhead pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Town of Riverhead 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 Riverhead 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 Riverhead, 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).
