Bowling Green pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Bowling Green is high; ragweed is high; grass is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) grass declining, ragweed declining.
7-Day Trend
Over the next week grass, mugwort, and ragweed will increase.
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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) | Moderate | 35/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | High | 60/100 |
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 | 18/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 41/100 |
Local Environmental Conditions
Bowling Green's parks, including Lampkin Park and the Barren River corridor, feature oak, maple, and cedar as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Surrounding Kentucky farmland and woodland contribute substantial grass and tree pollen, with the humid subtropical setting and rolling limestone karst landscape supporting an extended pollen season.
Bowling Green's pollen season opens with cedar and maple from late January, followed by oak and ash through March and April. Grass pollen peaks through May and June, with ragweed extending the season into October. The Barren River valley and surrounding Kentucky limestone karst landscape channel airflows and concentrate pollen, while surrounding farmland and woodland contribute substantial grass and tree pollen throughout the extended season.
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Frequently Asked Questions About Pollen in Kentucky
Is pollen high in Bowling Green right now?
On 20 September 2026, overall pollen levels in Bowling Green are high. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Bowling Green tomorrow?
On 21 September 2026, pollen conditions in Bowling Green will be different from today, with ambrosia, grass continuing to decline
Is pollen expected to decrease in Bowling Green this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Bowling Green?
On 20 September 2026, Ambrosia is the dominant pollen source in Bowling Green. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Bowling Green?
How often is the Bowling Green pollen forecast updated?
The Bowling Green pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Bowling Green 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 Bowling Green 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 Bowling Green, 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).
