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, naturopathic clinic, university, environmental health professional, or other qualified organization to become the official pollen collection partner for Charleston.

Become the Official PollyMap Partner for Charleston

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
GrassLowModHighV.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

Current PollyMap data for Charleston

PollyMap does not yet have weekly collected pollen data for Charleston. We are actively recruiting a local collection partner — apply below to bring real, locally-collected pollen data to Charleston.

Official PollyMap Partner in Charleston

Frequently asked questions about allergies in Charleston

The PollyKit — $39.99

Test the air at your exact address.

Test the air at your exact address — not a regional forecast, your actual air. Tests for pollen, mold spores, dust mites, and other airborne particles. Ships nationwide. Results in 3–5 days.

  1. 1

    Hang

    Hang the PollyKit indoors or outdoors at your home, office, or classroom for 24–48 hours.

  2. 2

    Return

    Mail it back in the included prepaid envelope.

  3. 3

    Results

    Receive your personal lab report showing what's actually in your air.

Related guides

Get local pollen alerts for Charleston.

Subscribe and we'll email you when new local reports are published.

Subscribe to alerts