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WV · Allergy Season Guide

Charleston Allergy Season Guide

PollyMap is actively seeking a qualified local collection partner in Charleston. This guide uses regional climate and historical allergen data while we recruit a local host.

Seeking Official PollyMap Partner

PollyMap is actively looking for a qualified local partner in Charleston.

We're recruiting a qualified local allergy clinic — or any clinic that provides allergy care — to become the official pollen collection partner for Charleston.

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Official PollyMap Partner in Charleston

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While we find a local clinic

Test the air at your own home in Charleston

No allergy clinic is reporting from Charleston 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.

Summary

PollyMap does not yet have weekly collected pollen data for Charleston. This guide is based on regional climate patterns and historical allergen data while we recruit a local collection partner. Tree pollen peaks in spring, grass pollen in late spring and early summer, and weed pollen in late summer and fall.

Local allergy guide for Charleston

Charleston shares West Virginia's a humid subtropical to humid continental climate with warm, humid summers and mild to cold winters. at 601 ft elevation.

Charleston at 601 ft elevation sits within West Virginia's broader regional climate.

In Charleston, tree pollen — including Oak, Birch, Cedar — typically dominates from late winter through spring. Bluegrass grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.

Charleston's local mold profile includes Alternaria, Cladosporium, Aspergillus. Spore counts tend to peak after rainfall and during the warm, humid portion of the year.

Local weather — temperature, rainfall, wind, and humidity — drives day-to-day pollen levels. Dry, windy days following warm weather typically produce the highest counts, while heavy rain temporarily clears the air.

Charleston monthly allergy calendar

Typical month-by-month intensity for the four major airborne allergen categories in Charleston.

JanFebMarAprMayJunJulAugSepOctNovDec
TreeLowModV.HighV.HighHighModLowLowLowLowLowLow
Grass—LowModHighV.HighHighModLowLowLow——
WeedLowLowLowModModModHighV.HighV.HighHighModLow
MoldLowModModModHighHighV.HighV.HighV.HighHighModLow

Most common local pollens — trees

Most common local pollens — grasses

Most common local pollens — weeds

Most common airborne molds

Frequently asked questions about allergies in Charleston

Related guides

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