Óbidos Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (11 October) pollen in Óbidos is high; mugwort is high; mold (cladosporium) is moderate; mold (alternaria) is low.
Pollen Tomorrow
Tomorrow (12 October 2026) levels are similar to today.
7-Day Trend
Over the next week mugwort and mold (alternaria) will increase; mold (cladosporium) will decrease; grass and willow will remain stable.
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Pollen Risk
Today - 11 October
| 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) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | High | 70/100 |
| Mold (Alternaria) | Low | 21/100 |
| Mold (Cladosporium) | Moderate | 28/100 |
Tomorrow - 12 October
| 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) | High | 62/100 | |
| Mold (Alternaria) | Low | 22/100 | |
| Mold (Cladosporium) | Moderate | 28/100 |
Local Environmental Conditions
Open grassland and woodland share the area around the heart of Óbidos, plus some built-up land. The leading allergenic tree nearby is oak, with olive close behind. Grasses and weeds such as plantain and pellitory round out the local mix. Grasses along roadsides, verges and open ground also add to the overall pollen load.
Tree pollen peaks in early spring, when the weather warms to around 15°C and oak and olive are in full flower. Grasses take over in late spring and keep pollen in the air into early fall. Plantain and pellitory flower through much of the warmer half of the year. Mold spores join in from late spring into mid-fall, when damp, warm spells let them thrive.
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Frequently Asked Questions About Pollen in Leiria
Is pollen high in Óbidos right now?
On 11 October 2026, overall pollen levels in Óbidos are high. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Óbidos tomorrow?
On 12 October 2026, pollen conditions in Óbidos will be similar to today, with artemisia at high levels
Is pollen expected to decrease in Óbidos this week?
According to the five-day outlook, artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Óbidos?
On 11 October 2026, Artemisia is the dominant pollen source in Óbidos. grass and willow are not currently active.
When is pollen season in Óbidos?
How often is the Óbidos pollen forecast updated?
The Óbidos pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Óbidos 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 Óbidos 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 Óbidos, 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 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
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).
