Hoboken pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Hoboken is moderate; grass and ragweed are moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and mugwort will increase; ragweed will decrease.
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Features and forecast availability vary by region.
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 | 34/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 48/100 |
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 | 31/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 44/100 |
Local Environmental Conditions
Hoboken's waterfront setting on the Hudson River features limited urban vegetation, with street trees including oak and maple as the main pollen sources in parks such as Church Square Park. Exposure is largely determined by pollen carried in from surrounding New Jersey woodland and the broader New York metropolitan area, with the Hudson River waterfront position meaning onshore winds can periodically disperse pollen across the city.
Hoboken's pollen season opens with maple and birch from late February, followed by oak and cherry through April and May. Grass pollen peaks through June and July, with ragweed extending the season into September. As part of the greater New York metropolitan area, the season is well-defined and intense, while the Hudson River waterfront position means onshore winds can periodically disperse pollen, and surrounding New Jersey woodland contributes additional grass and tree pollen.
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Frequently Asked Questions About Pollen in New Jersey
Is pollen high in Hoboken right now?
On 20 September 2026, overall pollen levels in Hoboken are moderate. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Hoboken tomorrow?
On 21 September 2026, pollen conditions in Hoboken will be similar to today, with ambrosia at moderate levels, grass at moderate levels
Is pollen expected to decrease in Hoboken this week?
According to the five-day outlook, ambrosia pollen levels are expected to gradually decrease, while artemisia and grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Hoboken?
On 20 September 2026, Ambrosia is the dominant pollen source in Hoboken. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Hoboken?
How often is the Hoboken pollen forecast updated?
The Hoboken pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Hoboken 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 Hoboken 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 Hoboken, 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).
