NH pollen report

Concord Pollen Report

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

Population 43,976Elevation 288 ft

Collection coming soon to Concord

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

Pollen patterns in Concord

In Concord, 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

Concord pollen calendar

Typical monthly intensity across the year.

JanFebMarAprMayJunJulAugSepOctNovDec
tree
grass
weed
mold

Historical reports

No historical reports yet.

Cities near Concord

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

Frequently asked questions

When is allergy season in Concord?

In Concord, 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 Concord?

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

What months are worst for allergies in Concord?

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

Does Concord have mold allergies?

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

Why are allergies bad in Concord?

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

Is there a local pollen collection site in Concord?

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

How can my clinic become a PollyMap partner in Concord?

Clinics in Concord 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 Concord.

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

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