Vila do Conde pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Vila do Conde is high; mugwort is high; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) mugwort remains high, grass no longer expected.
7-Day Trend
Over the next week mugwort will increase; 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 | 18/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | High | 70/100 |
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) | High | 69/100 |
Local Environmental Conditions
Vila do Conde's coastal parks and the Ave River corridor oak and eucalyptus contribute most of the tree pollen, with grass from nearby Porto farmland through the spring weeks. The area's wet Atlantic climate limits how high counts can build.
Vila do Conde sees oak and eucalyptus lead the early season, with grass adding through spring from the local countryside; frequent Atlantic rainfall and onshore breezes provide regular relief across the January-to-June window. Hillier inland areas can see slightly later peaks than the coast.
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Frequently Asked Questions About Pollen in Porto
Is pollen high in Vila do Conde right now?
On 20 September 2026, overall pollen levels in Vila do Conde are high. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Vila do Conde tomorrow?
On 21 September 2026, pollen conditions in Vila do Conde will be different from today, with artemisia at high levels
Is pollen expected to decrease in Vila do Conde this week?
According to the five-day outlook, artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Vila do Conde?
On 20 September 2026, Artemisia is the dominant pollen source in Vila do Conde. grass are also present but at lower levels. willow and cypress are not currently active.
When is pollen season in Vila do Conde?
How often is the Vila do Conde pollen forecast updated?
The Vila do Conde pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Vila do Conde 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 Vila do Conde 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 Vila do Conde, 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. |
Get More in the Airmine Pollen app
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).
