When is allergy season in West Virginia?

Allergy season in West Virginia typically runs from late winter through fall. Tree pollen rises first, followed by grass pollen in late spring and early summer, and weed pollen (especially ragweed) in late summer and fall.

What pollen is highest in West Virginia?

In West Virginia, the highest-pollen species are typically Oak, Birch, Cedar in spring, Bluegrass grass in early summer, and Ragweed in fall.

What months are worst for allergies in West Virginia?

For most people, April and May (tree pollen) and September (ragweed) are the most difficult months in West Virginia, with grass pollen creating a third peak in June.

Does West Virginia have mold allergies?

Yes. The region's climate supports both outdoor and indoor mold exposure — particularly Alternaria, Cladosporium. Outdoor mold spore counts often rise after rain and in fall when leaves decay.

How can clinics become PollyMap collection partners?

Qualified allergy clinics, naturopathic offices, universities, and environmental health professionals can apply to host a PollyKit and become an official PollyMap collection partner. Applications are reviewed by the PollyMap team.

WV · Allergy Season Guide

West Virginia Allergy Season Guide

West Virginia experiences a humid subtropical to humid continental climate with warm, humid summers and mild to cold winters.

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Summary

West Virginia 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 West Virginia

Active

Pending

Seeking Partner

Statewide allergy overview

West Virginia 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 West Virginia, but most of the state shares a common seasonal rhythm of spring tree pollen, summer grass pollen, and late-summer to fall weed pollen.

West Virginia 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 tree pollens

Top grass pollens

Top weed pollens

Top airborne molds

Major city guides in West Virginia

Charleston

Seeking Partner

View Charleston allergy season guide →

Huntington

Seeking Partner

View Huntington allergy season guide →

Morgantown

Seeking Partner

View Morgantown allergy season guide →

Parkersburg

Seeking Partner

View Parkersburg allergy season guide →

Wheeling

Seeking Partner

View Wheeling allergy season guide →

Latest PollyMap reports for West Virginia

PollyMap is currently recruiting collection partners in this state. No locally-collected reports have been published yet.

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