VT · Allergy Season Guide
Colchester Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Colchester. 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 Colchester.
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 Colchester.
Become the Official PollyMap Partner for ColchesterSummary
PollyMap does not yet have weekly collected pollen data for Colchester. 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 Colchester
Colchester shares Vermont's a humid continental climate with four distinct seasons — cold, snowy winters and warm, humid summers. at 200 ft elevation.
Colchester at 200 ft elevation sits within Vermont's broader regional climate.
In Colchester, tree pollen — including Birch, Oak, Maple — typically dominates from late winter through spring. Timothy grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Colchester'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.
Colchester monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Colchester.
| 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 | V.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 | High | V.High | V.High | V.High | Mod | Low |
Most common local pollens — weeds
Most common airborne molds
Current PollyMap data for Colchester
Official PollyMap Partner in Colchester
Frequently asked questions about allergies in Colchester
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Related guides
State Guide
Vermont Allergy Season Guide
Nearby city
Burlington Allergy Season Guide
Nearby city
Essex Allergy Season Guide
Nearby city
South Burlington Allergy Season Guide
Nearby city
Rutland Allergy Season Guide
Library
Pollen species library
Library
Mold species library
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