Portici pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Portici is medium; grass is medium. Tomorrow (26 June 2026) levels are similar. Over the following five days grass will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

For long term forecasts and maps, see the Airmine app

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

Portici's Bay of Naples waterfront and the Vesuvius volcanic slope corridor feature olive, lemon, and pine as the main tree pollen sources in this densely built coastal city. The iconic Vesuvius volcanic slopes contribute distinctive local conditions, while surrounding Campanian farmland extends tree and grass pollen and sea breezes can periodically disperse pollen across the densely built coastal setting.

Today - 25 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    42/100

  • Willow (Salicaceae):

    None

    0/100

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 - 26 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    48/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Portici right now?

On 25 June 2026, overall pollen levels in Portici are moderate. Grass is the main contributor to airborne pollen

Will pollen levels change in Portici tomorrow?

On 26 June 2026, pollen conditions in Portici will be similar to today, with grass at medium levels

Is pollen expected to decrease in Portici this week?

According to the five-day outlook, grass pollen levels will increase later in the week.

Which pollen types are currently active in Portici?

On 25 June 2026, Grass is the dominant pollen source in Portici. birch, hazel, cypress, willow, and alder are not currently active.

When is pollen season in Portici?
Portici's Bay of Naples coastal setting and the Vesuvius volcanic backdrop produce a season opening with olive, cypress, and lemon in January, with cypress contributing through spring, before grass from surrounding Campanian farmland peaks through April and May. Mugwort and nettle extend exposure into September, while sea breezes can periodically provide relief and the Vesuvius slopes contribute distinctive local conditions.
How often is the Portici pollen forecast updated?

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

Does pollen in Portici 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 Portici 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 Portici, 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 Italy?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 25 Jun 2026, 09:02 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Portici.

For long term forecasts and maps, see the Airmine app

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

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