Port Charlotte pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Port Charlotte is high; ragweed is high; grass is moderate; mugwort is 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 | 31/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 25/100 |
| Ragweed (Ambrosia) | High | 67/100 |
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 | 30/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 24/100 | |
| Ragweed (Ambrosia) | High | 66/100 |
Local Environmental Conditions
Port Charlotte's Charlotte Harbor estuary setting features live oak, melaleuca, and sabal palm as the main tree pollen sources, with exposure varying between the extensive residential canal neighborhoods and the more built-up commercial corridors along US 41. The Peace River and Charlotte Harbor estuarine system creates distinctive coastal-inland pollen gradients, while the extensive residential canal network creates linear microhabitats that concentrate pollen under calm conditions.
Port Charlotte's Southwest Florida Gulf Coast setting produces an extended pollen season opening in December with oak and melaleuca before grass from surrounding Charlotte County land peaks through February and March. Mugwort and nettle extend exposure into autumn, while the flat Gulf coastal landscape allows pollen to disperse widely and the warm subtropical climate supports near year-round pollen production throughout.
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Pollen forecast neighborhoods 1 neighborhood
Frequently Asked Questions About Pollen in Florida
Is pollen high in Port Charlotte right now?
On 20 September 2026, overall pollen levels in Port Charlotte are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Port Charlotte tomorrow?
On 21 September 2026, pollen conditions in Port Charlotte will be similar to today, with artemisia at low levels, grass at moderate levels, ambrosia at high levels
Is pollen expected to decrease in Port Charlotte 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 Port Charlotte?
On 20 September 2026, Ambrosia is the dominant pollen source in Port Charlotte. grass and artemisia are also present but at lower levels.
When is pollen season in Port Charlotte?
How often is the Port Charlotte pollen forecast updated?
The Port Charlotte pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Port Charlotte 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 Port Charlotte 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 Port Charlotte, 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).
