Pesaro pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Pesaro is moderate; mugwort is moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and mugwort will decrease; cypress and willow will remain stable.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | Low | 3/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 40/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | |
| Grass (Poaceae) | Low | 5/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Moderate | 39/100 |
Local Environmental Conditions
In Marche, Pesaro lies on the Adriatic coast at the Foglia river mouth; local vegetation is dominated by pine and oak, and late grass pollen from the wider countryside pushes totals higher as spring turns to summer. Exposure differs meaningfully between the town centre and its greener edges, with the surrounding Marche land contributing an additional, steadier layer of grass pollen through the warmer months.
Pesaro's pollen year begins with plane and hazel in late winter, builds to a pine and oak peak through spring, and tapers as late grass pollen fades with the first summer heat; the window spans the winter-to-summer stretch from January to August. hot, dry summer conditions cut the pollen season short here. Being on the Adriatic coast at the Foglia river mouth, Pesaro sees exposure ease once the season's main drivers pass.
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Frequently Asked Questions About Pollen in Marche
Is pollen high in Pesaro right now?
On 20 September 2026, overall pollen levels in Pesaro are moderate. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Pesaro tomorrow?
On 21 September 2026, pollen conditions in Pesaro will be similar to today, with grass at low levels, artemisia at moderate levels
Is pollen expected to decrease in Pesaro this week?
According to the five-day outlook, grass and artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Pesaro?
On 20 September 2026, Artemisia is the dominant pollen source in Pesaro. grass are also present but at lower levels. cypress and willow are not currently active.
When is pollen season in Pesaro?
How often is the Pesaro pollen forecast updated?
The Pesaro pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Pesaro 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 Pesaro 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 Pesaro, 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.
Understanding the Scale
The 0–100 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
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Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
