AK · Allergy Season Guide
Ketchikan Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Ketchikan. 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 Ketchikan.
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 Ketchikan.
Become the Official PollyMap Partner for KetchikanSummary
PollyMap does not yet have weekly collected pollen data for Ketchikan. 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 Ketchikan
Ketchikan shares Alaska's a subarctic to arctic climate with long, cold winters and short, cool summers.
Ketchikan sits within Alaska's broader regional climate.
In Ketchikan, tree pollen — including Birch, Alder, Spruce — typically dominates from late winter through spring. Bluegrass grass is the most common warm-season pollinator, and Fireweed drives the largest fall pollen load.
Ketchikan's local mold profile includes Cladosporium, Alternaria. 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.
Ketchikan monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Ketchikan.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | — | — | Low | Mod | V.High | V.High | Mod | Low | Low | Low | — | — |
| Grass | — | — | — | Low | Mod | High | High | Mod | Low | Low | — | — |
| Weed | — | — | — | Low | Mod | Mod | High | High | Mod | Low | — | — |
| Mold | Low | Low | Low | Mod | Mod | Mod | High | High | High | Mod | Low | Low |
Most common local pollens — trees
Most common airborne molds
Current PollyMap data for Ketchikan
Official PollyMap Partner in Ketchikan
Frequently asked questions about allergies in Ketchikan
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Related guides
State Guide
Alaska Allergy Season Guide
Nearby city
Anchorage Allergy Season Guide
Nearby city
Fairbanks Allergy Season Guide
Nearby city
Juneau Allergy Season Guide
Nearby city
Sitka Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
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