MA pollen report

Worcester Pollen Report

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

Population 206,518Elevation 480 ft

Collection coming soon to Worcester

PollyMap is actively recruiting a verified local partner in Worcester. Be the first to know — or apply to be the partner.

Pollen patterns in Worcester

In Worcester, 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.

Top trees

  • Birch
  • Oak
  • Maple
  • Beech
  • Ash

Top grasses

  • Timothy
  • Bluegrass
  • Orchard
  • Rye

Top weeds

  • Ragweed
  • Plantain
  • Pigweed
  • Lamb's quarters

Top molds

  • Alternaria
  • Cladosporium
  • Aspergillus
  • Penicillium

Worcester pollen calendar

Typical monthly intensity across the year.

JanFebMarAprMayJunJulAugSepOctNovDec
tree
grass
weed
mold

Historical reports

No historical reports yet.

Cities near Worcester

Explore pollen activity in nearby cities reported by the PollyMap network.

Frequently asked questions

When is allergy season in Worcester?

In Worcester, allergy season starts with tree pollen in late winter and early spring, transitions to grass pollen in May and June, and ends with weed pollen — primarily ragweed and sagebrush — from August through October.

What pollen is highest in Worcester?

The most prevalent local pollens in Worcester include Birch, Oak, Maple in the spring season.

What months are worst for allergies in Worcester?

Most Worcester allergy sufferers report the worst symptoms during peak tree pollen in March-May and again during ragweed season in September.

Does Worcester have mold allergies?

Yes. Worcester's climate supports Alternaria and Cladosporium spore exposure, with counts typically peaking in the warm and humid months.

Why are allergies bad in Worcester?

Local geography, climate, and seasonal plant cycles all influence allergen load in Worcester. The combination of regional vegetation and weather creates predictable spring and fall pollen peaks.

Is there a local pollen collection site in Worcester?

Not yet. PollyMap is actively seeking a qualified local allergy clinic or environmental health partner in Worcester to host weekly pollen collection.

How can my clinic become a PollyMap partner in Worcester?

Clinics in Worcester can apply to become the official PollyMap collection partner. Approved partners receive PollyKits weekly, conduct 24-48 hour collections, and mail samples back for microscope analysis.

Bring real pollen data to Worcester.

Become the lead PollyMap collection partner in Worcester and join our national network.

Apply today