KY · Allergy Season Guide
Kentucky Allergy Season Guide
Kentucky experiences a humid subtropical to humid continental climate with warm, humid summers and mild to cold winters.
Summary
Kentucky has 0 active PollyMap collection sites, and is seeking partners in 5 additional cities. Tree pollen typically dominates early spring, grass pollen peaks in late spring and early summer, and weed pollen (including ragweed) extends from late summer through fall.
PollyMap collection status across Kentucky
Statewide allergy overview
Kentucky experiences a humid subtropical to humid continental climate with warm, humid summers and mild to cold winters.
Oak, birch, cedar, maple, and pine drive a long March-through-May tree season. Grass pollen is heaviest in May and June, and ragweed extends through October.
High summer humidity and dense forest cover produce sustained high mold counts from June through frost.
Allergy patterns vary by elevation and proximity to coast or mountains within Kentucky, but most of the state shares a common seasonal rhythm of spring tree pollen, summer grass pollen, and late-summer to fall weed pollen.
Kentucky allergy calendar
Month-by-month intensity for the four major airborne allergen categories.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | V.High | V.High | High | Mod | Low | Low | Low | Low | Low | Low |
| Grass | — | Low | Mod | High | V.High | High | Mod | Low | Low | Low | — | — |
| Weed | Low | Low | Low | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Low | Mod | Mod | Mod | High | High | V.High | V.High | V.High | High | Mod | Low |
Top airborne molds
Major city guides in Kentucky
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Louisville
View Louisville allergy season guide →
KY
Lexington
View Lexington allergy season guide →
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Bowling Green
View Bowling Green allergy season guide →
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Owensboro
View Owensboro allergy season guide →
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Covington
View Covington allergy season guide →
Latest PollyMap reports for Kentucky
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Frequently asked questions
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