NV pollen report

Las Vegas Pollen Report

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

Population 641,903Elevation 2,001 ft

Collection coming soon to Las Vegas

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

Pollen patterns in Las Vegas

In Las Vegas, tree pollen — including Mulberry, Olive, Mesquite — typically dominates from late winter through spring. Bermuda grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.

Top trees

  • Mulberry
  • Olive
  • Mesquite
  • Juniper
  • Ash

Top grasses

  • Bermuda
  • Buffalo
  • Saltgrass

Top weeds

  • Ragweed
  • Russian thistle (tumbleweed)
  • Pigweed
  • Sagebrush

Top molds

  • Alternaria
  • Cladosporium
  • Aspergillus

Las Vegas pollen calendar

Typical monthly intensity across the year.

JanFebMarAprMayJunJulAugSepOctNovDec
tree
grass
weed
mold

Historical reports

No historical reports yet.

Cities near Las Vegas

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

Frequently asked questions

When is allergy season in Las Vegas?

In Las Vegas, 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 Las Vegas?

The most prevalent local pollens in Las Vegas include Mulberry, Olive, Mesquite in the spring season.

What months are worst for allergies in Las Vegas?

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

Does Las Vegas have mold allergies?

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

Why are allergies bad in Las Vegas?

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

Is there a local pollen collection site in Las Vegas?

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

How can my clinic become a PollyMap partner in Las Vegas?

Clinics in Las Vegas 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 Las Vegas.

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

Apply today