WY pollen report

Casper Pollen Report

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

Population 59,038Elevation 5,150 ft

Collection coming soon to Casper

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

Pollen patterns in Casper

In Casper, tree pollen — including Juniper, Cedar, Cottonwood — typically dominates from late winter through spring. Brome grass is the most common warm-season pollinator, and Sagebrush drives the largest fall pollen load.

Top trees

  • Juniper
  • Cedar
  • Cottonwood
  • Pine
  • Aspen

Top grasses

  • Brome
  • Bluegrass
  • Fescue

Top weeds

  • Sagebrush
  • Ragweed
  • Russian thistle

Top molds

  • Cladosporium
  • Alternaria

Casper pollen calendar

Typical monthly intensity across the year.

JanFebMarAprMayJunJulAugSepOctNovDec
tree
grass
weed
mold

Historical reports

No historical reports yet.

Cities near Casper

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

Frequently asked questions

When is allergy season in Casper?

In Casper, 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 Casper?

The most prevalent local pollens in Casper include Juniper, Cedar, Cottonwood in the spring season.

What months are worst for allergies in Casper?

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

Does Casper have mold allergies?

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

Why are allergies bad in Casper?

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

Is there a local pollen collection site in Casper?

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

How can my clinic become a PollyMap partner in Casper?

Clinics in Casper 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 Casper.

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

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