Constitution Square Historic Site Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Constitution Square Historic Site is low; grass, ragweed, mold (alternaria), and mold (cladosporium) are low.
Pollen Tomorrow
Tomorrow (11 October 2026) levels are similar to today.
7-Day Trend
Over the next week grass, mugwort, mold (alternaria), and mold (cladosporium) will increase; ragweed will decrease.
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Pollen Risk
Today - 10 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) | Low | 1/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Low | 6/100 |
| Mold (Alternaria) | Low | 7/100 |
| Mold (Cladosporium) | Low | 17/100 |
Tomorrow - 11 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) | Low | 17/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Low | 21/100 | |
| Mold (Alternaria) | Low | 2/100 | |
| Mold (Cladosporium) | Low | 5/100 |
Local Environmental Conditions
Built-up land and woodland share the area around the center of Constitution Square Historic Site, plus some open grassland. Woodland on all sides makes trees an important local pollen source. Grasses add a sizeable share of the local pollen. Street trees, private gardens and mown lawns add to local pollen in the more built-up surroundings.
Tree pollen comes first, peaking in mid-spring. Grasses take over in late spring and keep pollen in the air into early fall. Weeds on open ground add a smaller late peak from early summer into early fall. By early winter, as temperatures fall to around 5°C, pollen levels are low again.
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Frequently Asked Questions About Pollen in Kentucky
Is pollen high in Constitution Square Historic Site right now?
On 10 October 2026, overall pollen levels in Constitution Square Historic Site are low. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Constitution Square Historic Site tomorrow?
On 11 October 2026, pollen conditions in Constitution Square Historic Site will be similar to today, with grass at low levels, ambrosia at low levels
Is pollen expected to decrease in Constitution Square Historic Site this week?
According to the five-day outlook, ambrosia pollen levels are expected to gradually decrease, while artemisia and grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Constitution Square Historic Site?
On 10 October 2026, Grass is the dominant pollen source in Constitution Square Historic Site. ambrosia are also present but at lower levels. artemisia are not currently active.
When is pollen season in Constitution Square Historic Site?
How often is the Constitution Square Historic Site pollen forecast updated?
The Constitution Square Historic Site pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Constitution Square Historic Site 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 Constitution Square Historic Site 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 Constitution Square Historic Site, 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. |
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).
