Alcabideche pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Alcabideche is medium; grass is medium; mugwort is low. Tomorrow (10 August 2026) levels are similar. Over the following five days mugwort will increase; grass will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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As part of Lisboa, Alcabideche lies on the Lisbon coastal plain near Cascais and sees olive and cypress as its main tree pollen contributors; grass builds from the surrounding countryside as spring advances. The town's mix of open and built-up ground means exposure is rarely uniform across the area.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    29/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    10/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 10 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    30/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    14/100

Air quality in Alcabideche

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Frequently Asked Questions

Is pollen high in Alcabideche right now?

On 9 August 2026, overall pollen levels in Alcabideche are moderate. Grass is the main contributor to airborne pollen, while artemisia remain at lower levels

Will pollen levels change in Alcabideche tomorrow?

On 10 August 2026, pollen conditions in Alcabideche will be similar to today, with grass at medium levels, artemisia at low levels

Is pollen expected to decrease in Alcabideche 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 Alcabideche?

On 9 August 2026, Grass is the dominant pollen source in Alcabideche. artemisia are also present but at lower levels. willow, hazel, and cypress are not currently active.

When is pollen season in Alcabideche?
olive and cypress defines the core of Alcabideche's pollen season after an early cypress and hazel start, with grass stretching exposure into summer across the January-to-August window. the dry Mediterranean summer that follows limits any late-season tail. Alcabideche sits on the Lisbon coastal plain near Cascais, which shapes the tail end of the cycle.
How often is the Alcabideche pollen forecast updated?

The Alcabideche pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Alcabideche 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 Alcabideche 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 Alcabideche, 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.

Want to see pollen forecasts for other cities in Portugal?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Alcabideche.

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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.