MN · Allergy Season Guide
Rochester Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Rochester. 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 Rochester.
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 Rochester.
Become the Official PollyMap Partner for RochesterSummary
PollyMap does not yet have weekly collected pollen data for Rochester. 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 Rochester
Rochester shares Minnesota's a humid continental climate with hot, humid summers and cold, snowy winters. at 990 ft elevation.
Rochester at 990 ft elevation sits within Minnesota's broader regional climate.
In Rochester, 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.
Rochester'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.
Rochester monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Rochester.
| 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 Rochester
Official PollyMap Partner in Rochester
Frequently asked questions about allergies in Rochester
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Related guides
State Guide
Minnesota Allergy Season Guide
Nearby city
Minneapolis Allergy Season Guide
Nearby city
Saint Paul Allergy Season Guide
Nearby city
Bloomington Allergy Season Guide
Nearby city
Duluth Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
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