MI · Allergy Season Guide
Grand Rapids Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Grand Rapids. 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 Rapids.
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 Rapids.
Become the Official PollyMap Partner for Grand RapidsSummary
PollyMap does not yet have weekly collected pollen data for Grand Rapids. 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 Rapids
Grand Rapids shares Michigan's a humid continental climate with hot, humid summers and cold, snowy winters. at 640 ft elevation.
Grand Rapids at 640 ft elevation sits within Michigan's broader regional climate.
In Grand Rapids, tree pollen — including Maple, Oak, Birch — 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 Rapids'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 Rapids monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Grand Rapids.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | High | V.High | V.High | High | Mod | Low | Low | Low | Low | Low |
| Grass | — | — | Low | Mod | High | V.High | High | Mod | Low | Low | — | — |
| Weed | Low | Low | Low | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Low | Low | Mod | Mod | High | High | V.High | V.High | V.High | High | Mod | Low |
Most common local pollens — weeds
Most common airborne molds
Current PollyMap data for Grand Rapids
Official PollyMap Partner in Grand Rapids
Frequently asked questions about allergies in Grand Rapids
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Related guides
State Guide
Michigan Allergy Season Guide
Nearby city
Detroit Allergy Season Guide
Nearby city
Warren Allergy Season Guide
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Sterling Heights Allergy Season Guide
Nearby city
Ann Arbor Allergy Season Guide
Library
Pollen species library
Library
Mold species library
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