Figueira da Foz pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Figueira da Foz is high; mugwort is high; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) grass remains low, mugwort declining.
7-Day Trend
Over the next week mugwort will increase; grass will decrease; cypress and willow 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) | None | 0/100 |
| Grass (Poaceae) | Low | 17/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | High | 61/100 |
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) | Low | 5/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Moderate | 50/100 |
Local Environmental Conditions
Figueira da Foz's Atlantic coastal dune setting and the Mondego River estuary corridor pine and oak dominate locally, and grass from nearby Coimbra countryside extends the peak into spring. Frequent rainfall off the Atlantic keeps counts from building too high.
Figueira da Foz sees pine and oak lead the early season, with grass adding across spring from the nearby countryside; frequent Atlantic rainfall and onshore breezes provide regular relief across the January-to-June window. Inland valleys tend to see less wind relief than the open coast.
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Frequently Asked Questions About Pollen in Coimbra
Is pollen high in Figueira da Foz right now?
On 20 September 2026, overall pollen levels in Figueira da Foz are high. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Figueira da Foz tomorrow?
On 21 September 2026, pollen conditions in Figueira da Foz will be different from today, with grass at low levels and artemisia continuing to decline
Is pollen expected to decrease in Figueira da Foz this week?
According to the five-day outlook, grass pollen levels are expected to gradually decrease, while artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Figueira da Foz?
On 20 September 2026, Artemisia is the dominant pollen source in Figueira da Foz. grass are also present but at lower levels. willow and cypress are not currently active.
When is pollen season in Figueira da Foz?
How often is the Figueira da Foz pollen forecast updated?
The Figueira da Foz pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Figueira da Foz 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 Figueira da Foz 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 Figueira da Foz, 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).
