IN · Allergy Season Guide
South Bend Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in South Bend. 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 South Bend.
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 South Bend.
Become the Official PollyMap Partner for South BendSummary
PollyMap does not yet have weekly collected pollen data for South Bend. 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 South Bend
South Bend shares Indiana's a humid continental climate with hot, humid summers and cold, snowy winters. at 720 ft elevation.
South Bend at 720 ft elevation sits within Indiana's broader regional climate.
In South Bend, 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.
South Bend'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.
South Bend monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in South Bend.
| 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 South Bend
Official PollyMap Partner in South Bend
Frequently asked questions about allergies in South Bend
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Related guides
State Guide
Indiana Allergy Season Guide
Nearby city
Indianapolis Allergy Season Guide
Nearby city
Fort Wayne Allergy Season Guide
Nearby city
Evansville Allergy Season Guide
Nearby city
Carmel Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
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