AZ · Allergy Season Guide
Glendale Allergy Season Guide
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.
PollyMap is actively looking for a qualified local partner in Glendale.
We're recruiting a qualified local allergy clinic — or any clinic that provides allergy care — to become the official pollen collection partner for Glendale.
Become the Official PollyMap Partner for GlendaleLatest pollen reports for Glendale
Official PollyMap Partner in Glendale
Summary
PollyMap does not yet have weekly collected pollen data for Glendale. This guide is based on regional climate patterns and historical allergen data while we recruit a local collection partner. Tree pollen peaks in spring, grass pollen in late spring and early summer, and weed pollen in late summer and fall.
Local allergy guide for Glendale
Glendale shares Arizona's a hot, arid desert climate with long dry summers, mild winters, and very low annual rainfall. at 1,156 ft elevation.
Glendale at 1,156 ft elevation sits within Arizona's broader regional climate.
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.
Glendale's local mold profile includes Alternaria, Cladosporium, Aspergillus. Spore counts tend to peak after rainfall and during the warm, humid portion of the year.
Local weather — temperature, rainfall, wind, and humidity — drives day-to-day pollen levels. Dry, windy days following warm weather typically produce the highest counts, while heavy rain temporarily clears the air.
Glendale monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Glendale.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Mod | High | V.High | V.High | High | Mod | Low | Mod | High | High | Mod | Low |
| Grass | — | Low | Mod | High | High | V.High | V.High | High | High | Mod | Low | — |
| Weed | Low | Low | Mod | Mod | High | High | High | V.High | V.High | High | Mod | Low |
| Mold | Low | Low | Mod | Mod | Mod | Mod | High | High | Mod | Mod | Low | Low |
Most common local pollens — weeds
Most common airborne molds
Frequently asked questions about allergies in Glendale
Related guides
State Guide
Arizona Allergy Season Guide
Nearby city
Phoenix Allergy Season Guide
Nearby city
Tucson Allergy Season Guide
Nearby city
Mesa Allergy Season Guide
Nearby city
Chandler Allergy Season Guide
Nearby city
Scottsdale Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
Become a partner
Get local pollen alerts for Glendale.
Subscribe and we'll email you when new local reports are published.
Subscribe to alerts