Tossa de Mar Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Tossa de Mar is moderate; mugwort and mold (cladosporium) are moderate; mold (alternaria) is low.
Pollen Tomorrow
Tomorrow (11 October 2026) mold (alternaria) remains low, mold (cladosporium) remains moderate, mugwort declining.
7-Day Trend
Over the next week mugwort, mold (alternaria), and mold (cladosporium) will decrease; cypress, grass, and willow will remain stable.
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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) | Moderate | 39/100 |
| Mold (Alternaria) | Low | 11/100 |
| Mold (Cladosporium) | Moderate | 27/100 |
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) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Low | 21/100 | |
| Mold (Alternaria) | Low | 11/100 | |
| Mold (Cladosporium) | Moderate | 29/100 |
Local Environmental Conditions
The area around the heart of Tossa de Mar is a patchwork of open water, built-up land and woodland. The leading allergenic tree nearby is oak, with juniper close behind. Beyond the trees, grasses matter a great deal, and pigweed is the main weed source. Local vegetation is sparse, so most pollen arrives on the wind from surrounding land.
Oak and juniper lead the season in early spring, as temperatures climb to around 15°C, and tree pollen reaches its peak. Grasses take over in late spring, with temperatures around 20°C, and their pollen lingers into mid-fall. The season closes with pigweed from early summer into early fall. In warm, humid weather from late spring into midsummer, mold spores add to the mix, especially after rain.
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Frequently Asked Questions About Pollen in Catalonia
Is pollen high in Tossa de Mar right now?
On 10 October 2026, overall pollen levels in Tossa de Mar are moderate. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Tossa de Mar tomorrow?
On 11 October 2026, pollen conditions in Tossa de Mar will be different from today, with artemisia continuing to decline
Is pollen expected to decrease in Tossa de Mar this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Tossa de Mar?
On 10 October 2026, Artemisia is the dominant pollen source in Tossa de Mar. cypress, grass, and willow are not currently active.
When is pollen season in Tossa de Mar?
How often is the Tossa de Mar pollen forecast updated?
The Tossa de Mar pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Tossa de Mar 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 Tossa de Mar 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 Tossa de Mar, 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. |
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).
