Florianópolis pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Florianópolis is low; cypress and willow are low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress no longer expected, willow no longer expected.
7-Day Trend
Over the next week cypress and willow will increase; grass will remain stable.
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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) | Low | 3/100 |
| Grass (Poaceae) | None | 0/100 |
| Willow (Salicaceae) | Low | 1/100 |
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) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 |
Local Environmental Conditions
Florianópolis spreads across Santa Catarina Island, where native Atlantic Forest remnants, restinga coastal scrub, and mangrove vegetation are the main pollen sources around this island capital. The subtropical climate produces a well-defined pollen season, while the Atlantic Ocean island position means onshore breezes can frequently disperse pollen and rainfall interruptions occur throughout the year in this scenic Santa Catarina island capital.
Florianópolis's pollen season follows the region's typical pattern, led by native Atlantic Forest remnants and restinga coastal scrub pollen, with exposure varying across the year according to local seasonal rainfall and temperature patterns.
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Frequently Asked Questions About Pollen in Santa Catarina
Is pollen high in Florianópolis right now?
On 20 September 2026, overall pollen levels in Florianópolis are low. Cypress is the main contributor to airborne pollen, while willow remain at lower levels
Will pollen levels change in Florianópolis tomorrow?
On 21 September 2026, pollen conditions in Florianópolis will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Florianópolis this week?
According to the five-day outlook, cypress and willow pollen levels will increase later in the week.
Which pollen types are currently active in Florianópolis?
On 20 September 2026, Cypress is the dominant pollen source in Florianópolis. willow are also present but at lower levels. grass are not currently active.
When is pollen season in Florianópolis?
How often is the Florianópolis pollen forecast updated?
The Florianópolis pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Florianópolis 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 Florianópolis 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 Florianópolis, 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. |
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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).
