Oswego, New York Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Oswego, New York is moderate; mold (cladosporium) is moderate; mold (alternaria) is low.
Pollen Tomorrow
Tomorrow (11 October 2026) mold (alternaria) remains low, mold (cladosporium) declining, grass at low levels, mugwort at low levels, ragweed at moderate levels.
7-Day Trend
Over the next week grass, mugwort, ragweed, mold (alternaria), and mold (cladosporium) will decrease.
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Pollen Risk
Today - 10 October
| 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) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | None | 0/100 |
| Mold (Alternaria) | Low | 8/100 |
| Mold (Cladosporium) | Moderate | 29/100 |
Tomorrow - 11 October
| 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) | Low | 14/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 15/100 | |
| Ragweed (Ambrosia) | Moderate | 26/100 | |
| Mold (Alternaria) | Low | 4/100 | |
| Mold (Cladosporium) | Low | 19/100 |
Local Environmental Conditions
The heart of Oswego, New York sits among a blend of built-up land and woodland. Close to the Oswego River, riverside vegetation adds to local tree pollen. The surrounding woodland makes trees an important local pollen source. Grasses are a major source, with mugwort adding to the weed pollen load.
Flowering trees bring the first pollen of the year in mid-spring. Grass pollen follows, peaking in early summer and easing off by early fall. Mugwort brings a final peak from midsummer into early fall. By late fall, as temperatures fall to around 5°C, pollen levels are low again. Actual levels on any given day depend on the weather, with dry, breezy days the worst and wet days the mildest.
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Frequently Asked Questions About Pollen in New York
Is pollen high in Oswego, New York right now?
Currently, there is no significant pollen in Oswego, New York.
Will pollen levels change in Oswego, New York tomorrow?
On 11 October 2026, pollen conditions in Oswego, New York will be different from today, with ambrosia at moderate levels, artemisia at low levels, grass at low levels
Is pollen expected to decrease in Oswego, New York 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 Oswego, New York?
On 10 October 2026, there are no significant pollen types in Oswego, New York.
When is pollen season in Oswego, New York?
How often is the Oswego, New York pollen forecast updated?
The Oswego, New York pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Oswego, New York 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 Oswego, New York 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 Oswego, New York, 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 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
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).
