Como pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Como is medium; grass is medium; cypress is low. Tomorrow (26 June 2026) levels are similar. Over the following five days cypress and grass will decrease. 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

Como's lakeside parks and the Lake Como and Cosia River corridor feature oak, linden, and chestnut as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. The enclosed lake basin and surrounding Alpine foothills concentrate pollen under calm conditions, while surrounding Lombardy farmland contributes additional grass pollen and the lake position moderates local airflows.

Today - 25 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    4/100

  • Grass (Poaceae):

    Medium

    34/100

  • 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):

    Low

    11/100

  • Grass (Poaceae):

    Medium

    40/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Como right now?

On 25 June 2026, overall pollen levels in Como are moderate. Grass is the main contributor to airborne pollen, while cypress remain at lower levels

Will pollen levels change in Como tomorrow?

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

Is pollen expected to decrease in Como this week?

According to the five-day outlook, grass and cypress pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.

Which pollen types are currently active in Como?

On 25 June 2026, Grass is the dominant pollen source in Como. cypress are also present but at lower levels. willow, alder, birch, and hazel are not currently active.

When is pollen season in Como?
Como's pollen season opens in January with hazel and alder before birch peaks through April. Oak and chestnut follow through May, with grass from surrounding Lombardy farmland peaking through June and July. The enclosed Lake Como basin and surrounding Alpine foothills concentrate pollen under calm conditions, while the lake position moderates local airflows and the continental climate produces a well-defined seasonal progression.
How often is the Como pollen forecast updated?

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

Does pollen in Como 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 Como 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 Como, 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, 09:01 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Como.

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.