When is allergy season in Tennessee?

Allergy season in Tennessee 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 Tennessee?

In Tennessee, 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 Tennessee?

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

Does Tennessee 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.

TN · Allergy Season Guide

Tennessee Allergy Season Guide

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

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Summary

Tennessee 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 Tennessee

Active

Pending

Seeking Partner

While we find a local clinic

Test the air at your own home in Tennessee

No allergy clinic is reporting from Tennessee yet. Until one does, you can order your own PollyKit — a simple air sampler you hang outdoors or indoors. Send it back and the PollyKit Lab shows you exactly what's floating in your air.

Pollen from local trees, grasses and weeds
Airborne mold spores
Dust mites and other indoor allergens

Order your PollyKit

Hang it outdoors

See which pollen and mold are in your yard this season.

Or hang it indoors

Check bedrooms and living spaces for mold, dust mites and more.

Statewide allergy overview

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

Tennessee 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 Tennessee

Nashville

Seeking Partner

View Nashville allergy season guide →

Memphis

Seeking Partner

View Memphis allergy season guide →

Knoxville

Seeking Partner

View Knoxville allergy season guide →

Chattanooga

Seeking Partner

View Chattanooga allergy season guide →

Clarksville

Seeking Partner

View Clarksville allergy season guide →

Latest PollyMap reports for Tennessee

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

Frequently asked questions

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