DE · Allergy Season Guide

Middletown Allergy Season Guide

PollyMap is actively seeking a qualified local collection partner in Middletown. 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 Middletown.

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 Middletown.

Become the Official PollyMap Partner for Middletown

Summary

PollyMap does not yet have weekly collected pollen data for Middletown. 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 Middletown

Middletown shares Delaware's a humid subtropical to humid continental climate with warm, humid summers and mild to cold winters. at 79 ft elevation.

Middletown at 79 ft elevation sits within Delaware's broader regional climate.

In Middletown, 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.

Middletown'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.

Middletown monthly allergy calendar

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

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 Middletown

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

Official PollyMap Partner in Middletown

Frequently asked questions about allergies in Middletown

Related guides

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