Jacksonville pollen forecast — Fort George Island Cultural State Park neighborhood
Pollen Today
Today (20 September) pollen in Fort George Island Cultural State Park, Jacksonville is moderate; grass is moderate; mugwort and ragweed are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass, mugwort, 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 | 29/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 6/100 |
| Ragweed (Ambrosia) | Low | 14/100 |
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 | 39/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 16/100 | |
| Ragweed (Ambrosia) | Low | 24/100 |
Local Environmental Conditions
Bald cypress and water tupelo grow along the bank, contributing to the area's spring tree pollen; this sits within the neighborhood's edge. Nearby, not far from here, a canopy of longleaf pine and live oak, pine chief among them for pollen output here. Nearby, a short distance from here, a green space of mown lawn and planted trees, both feeding into local grass and ragweed counts.
Expect average temperatures between about 11°C in January and 28°C in July; of the 1237 mm that falls here annually, most arrives in the warmer stretch around July. Expect pollen activity to start building from around February, tracking the rise in temperature out of the January low.
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Frequently Asked Questions About Pollen in Florida
Is pollen high in Jacksonville right now?
On 20 September 2026, overall pollen levels in Jacksonville are moderate. Grass is the main contributor to airborne pollen, while artemisia and ambrosia remain at lower levels
Will pollen levels change in Jacksonville tomorrow?
On 21 September 2026, pollen conditions in Jacksonville will be similar to today, with artemisia at low levels, grass at moderate levels, ambrosia at low levels
Is pollen expected to decrease in Jacksonville this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Jacksonville?
On 20 September 2026, Grass is the dominant pollen source in Jacksonville. artemisia and ambrosia are also present but at lower levels.
When is pollen season in Jacksonville?
How often is the Jacksonville pollen forecast updated?
The Jacksonville pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Jacksonville 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 Jacksonville 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 Jacksonville, 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).
