OH · Allergy Season Guide
Cleveland Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Cleveland. This guide uses regional climate and historical allergen data while we recruit a local host.
PollyMap is actively looking for a qualified local partner in Cleveland.
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 Cleveland.
Become the Official PollyMap Partner for ClevelandSummary
PollyMap does not yet have weekly collected pollen data for Cleveland. 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 Cleveland
Cleveland shares Ohio's a humid continental climate with hot, humid summers and cold, snowy winters. at 653 ft elevation.
Cleveland at 653 ft elevation sits within Ohio's broader regional climate.
In Cleveland, tree pollen — including Maple, Oak, Birch — typically dominates from late winter through spring. Bluegrass grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Cleveland'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.
Cleveland monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Cleveland.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | High | V.High | V.High | High | Mod | Low | Low | Low | Low | Low |
| Grass | — | — | Low | Mod | High | V.High | High | Mod | Low | Low | — | — |
| Weed | Low | Low | Low | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Low | Low | Mod | Mod | High | High | V.High | V.High | V.High | High | Mod | Low |
Most common local pollens — weeds
Most common airborne molds
Current PollyMap data for Cleveland
Official PollyMap Partner in Cleveland
Frequently asked questions about allergies in Cleveland
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Related guides
State Guide
Ohio Allergy Season Guide
Nearby city
Columbus Allergy Season Guide
Nearby city
Cincinnati Allergy Season Guide
Nearby city
Toledo Allergy Season Guide
Nearby city
Akron Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
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