City of New Rochelle pollen forecast — Maplewood neighborhood
Pollen Today
Today (20 September) pollen in Maplewood, City of New Rochelle is moderate; grass and ragweed are moderate; mugwort is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week mugwort will increase; grass and ragweed will decrease.
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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 | 33/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 2/100 |
| Ragweed (Ambrosia) | Moderate | 43/100 |
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) | Moderate | 33/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 3/100 | |
| Ragweed (Ambrosia) | Moderate | 43/100 |
Local Environmental Conditions
Located a short distance from here, this area has hazel and willow take root along the waterway, both prolific contributors to early pollen counts. Here, within the neighborhood, oak and birch make up the bulk of this woodland, birch being the more potent allergen of the two.
Water-edge hazel and willow are usually the first allergenic trees active here, climbing steadily from late winter into March. By mid-spring, oak and birch in the woods take over, topping out in the April-to-May stretch. Late spring sees grass pollen build steadily toward a peak in June, followed by ragweed's own peak stretch from mid-August into October.
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Frequently Asked Questions About Pollen in New York
Is pollen high in City of New Rochelle right now?
On 20 September 2026, overall pollen levels in City of New Rochelle are moderate. Grass is the main contributor to airborne pollen, while ambrosia and artemisia remain at lower levels
Will pollen levels change in City of New Rochelle tomorrow?
On 21 September 2026, pollen conditions in City of New Rochelle will be similar to today, with artemisia at low levels, grass at moderate levels, ambrosia at moderate levels
Is pollen expected to decrease in City of New Rochelle this week?
According to the five-day outlook, grass and ambrosia pollen levels are expected to gradually decrease, while artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in City of New Rochelle?
On 20 September 2026, Grass is the dominant pollen source in City of New Rochelle. ambrosia and artemisia are also present but at lower levels.
When is pollen season in City of New Rochelle?
How often is the City of New Rochelle pollen forecast updated?
The City of New Rochelle pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in City of New Rochelle 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 City of New Rochelle 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 City of New Rochelle, 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).
