Rome pollen forecast — St. Peter's Basilica and Vatican Square neighborhood

Today (25 June) pollen in St. Peter's Basilica and Vatican Square, Rome is medium; grass is medium. Tomorrow (26 June 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

St. Peter’s Basilica and Vatican Square’s vast open plaza means generally moderate pollen levels, with limited on-site vegetation — though nearby gardens and trees like cypress, pine, and plane drive spring peaks, with an early-starting season in Rome’s warm climate.

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

    28/100

  • 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

    30/100

  • Willow (Salicaceae):

    None

    0/100

Other Landmarks in Rome

Frequently Asked Questions

Is pollen high in Rome right now?

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

Will pollen levels change in Rome tomorrow?

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

Is pollen expected to decrease in Rome this week?

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

Which pollen types are currently active in Rome?

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

When is pollen season in Rome?
Rome's pollen season runs from February through June, opening with cypress and plane tree pollen in late winter before grass pollen peaks through April and May. The warm Mediterranean climate means the season starts earlier than in northern European cities, while the hot, dry summer ends the season abruptly. Cypress pollen is a particularly significant source in and around Rome due to the extensive planting of cypress trees throughout the city and its surroundings.
How often is the Rome pollen forecast updated?

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

Does pollen in Rome 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 Rome 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 Rome, 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 St. Peter's Basilica and Vatican Square, Rome.

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.