Mendrisio pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Mendrisio is low; grass is low. Tomorrow (17 July 2026) levels are similar. Over the following five days 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

Use our Strava plugin to check your own exposure.

Mendrisio's Ticino border-valley setting features chestnut, oak, and vineyard vegetation as pollen sources, with exposure varying between vineyard-fringed hillsides and the built-up border-town centre near Italy. The mild climate extends the season.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    16/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    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 - 17 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    19/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

Air quality in Mendrisio

View air quality

Frequently Asked Questions

Is pollen high in Mendrisio right now?

On 16 July 2026, overall pollen levels in Mendrisio are low. Grass is the main contributor to airborne pollen

Will pollen levels change in Mendrisio tomorrow?

On 17 July 2026, pollen conditions in Mendrisio will be similar to today, with grass at low levels

Is pollen expected to decrease in Mendrisio 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 Mendrisio?

On 16 July 2026, Grass is the dominant pollen source in Mendrisio. cypress, willow, alder, artemisia, birch, and hazel are not currently active.

When is pollen season in Mendrisio?
In Mendrisio, hazel and alder mark the start of the season in January, birch then peaks through April and May, chestnut and oak follow suit, before grass becomes the dominant source across June and July. This basin south of the Alps can trap pollen under calm, warm conditions, while chestnut forest and lakeside vegetation nearby keep adding to the mix. The warm, sheltered southern Alpine microclimate means the season here starts earlier than in northern Swiss cities.
How often is the Mendrisio pollen forecast updated?

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

Does pollen in Mendrisio 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 Mendrisio 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 Mendrisio, 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 Switzerland?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 16 July 2026 at 05:36 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Mendrisio.

For long term forecasts and maps, see the Airmine app

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