NE · Allergy Season Guide
Grand Island Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Grand Island. 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 Grand Island.
We're recruiting a qualified local allergy clinic, naturopathic clinic, university, environmental health professional, or other qualified organization to become the official pollen collection partner for Grand Island.
Become the Official PollyMap Partner for Grand IslandSummary
PollyMap does not yet have weekly collected pollen data for Grand Island. 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 Grand Island
Grand Island shares Nebraska's a continental climate with hot, humid summers, cold winters, and frequent severe weather. at 1,860 ft elevation.
Grand Island at 1,860 ft elevation sits within Nebraska's broader regional climate.
In Grand Island, tree pollen — including Elm, Cedar, Oak — typically dominates from late winter through spring. Bluegrass grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Grand Island'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.
Grand Island monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Grand Island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | V.High | V.High | High | Mod | Low | Low | Low | Low | Low | Low |
| Grass | — | — | Low | Mod | High | V.High | High | Mod | Low | Low | — | — |
| Weed | Low | Low | Mod | Mod | Mod | Mod | High | V.High | V.High | V.High | Mod | Low |
| Mold | Low | Low | Mod | Mod | High | High | V.High | V.High | V.High | High | Mod | Low |
Most common local pollens — trees
Most common local pollens — weeds
Most common airborne molds
Current PollyMap data for Grand Island
Official PollyMap Partner in Grand Island
Frequently asked questions about allergies in Grand Island
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Related guides
State Guide
Nebraska Allergy Season Guide
Nearby city
Omaha Allergy Season Guide
Nearby city
Lincoln Allergy Season Guide
Nearby city
Bellevue Allergy Season Guide
Nearby city
Kearney Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
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