AZ pollen report

Glendale Pollen Report

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

Population 248,325Elevation 1,156 ft

Collection coming soon to Glendale

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

Pollen patterns in Glendale

In Glendale, 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

Glendale pollen calendar

Typical monthly intensity across the year.

JanFebMarAprMayJunJulAugSepOctNovDec
tree
grass
weed
mold

Historical reports

No historical reports yet.

Cities near Glendale

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

Frequently asked questions

When is allergy season in Glendale?

In Glendale, 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 Glendale?

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

What months are worst for allergies in Glendale?

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

Does Glendale have mold allergies?

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

Why are allergies bad in Glendale?

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

Is there a local pollen collection site in Glendale?

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

How can my clinic become a PollyMap partner in Glendale?

Clinics in Glendale 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 Glendale.

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

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