Zamora pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Zamora is low; grass and mugwort are low.
Pollen Tomorrow
Tomorrow (21 September 2026) mugwort remains low, grass no longer expected.
7-Day Trend
Over the next week mugwort will decrease; cypress, grass, 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 | 24/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 25/100 |
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) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Low | 7/100 |
Local Environmental Conditions
Zamora's Alameda riverside parkland and the Duero River floodplain are the main green corridors in this historic Castilian city, featuring poplar, oak, and ash as the dominant pollen sources. Surrounding cereal farmland and the Meseta plateau contribute substantial grass and crop pollen, while the cold, semi-arid continental climate concentrates pollen dispersal during the short but intense spring season.
Zamora's cold, semi-arid Castilian plateau climate produces a compressed pollen season. Hazel and poplar open the season from February before oak peaks through April, with grass from surrounding cereal farmland peaking through May and June. Mugwort and nettle extend exposure into September, while the Duero floodplain contributes locally significant riverside tree pollen throughout the season.
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Frequently Asked Questions About Pollen in Castile and León
Is pollen high in Zamora right now?
On 20 September 2026, overall pollen levels in Zamora are low. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Zamora tomorrow?
On 21 September 2026, pollen conditions in Zamora will be different from today, with artemisia at low levels
Is pollen expected to decrease in Zamora this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Zamora?
On 20 September 2026, Artemisia is the dominant pollen source in Zamora. grass are also present but at lower levels. willow and cypress are not currently active.
When is pollen season in Zamora?
How often is the Zamora pollen forecast updated?
The Zamora pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Zamora 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 Zamora 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 Zamora, 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).
