AK pollen report
Sitka Pollen Report
PollyMap is actively seeking a qualified local collection partner in Sitka. This guide uses regional climate and historical allergen data while we recruit a local host.
Collection coming soon to Sitka
PollyMap is actively recruiting a verified local partner in Sitka. Be the first to know — or apply to be the partner.
Pollen patterns in Sitka
In Sitka, 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.
Top trees
- Birch
- Alder
- Spruce
- Cottonwood
Top grasses
- Bluegrass
- Timothy
Top weeds
- Fireweed
- Plantain
Top molds
- Cladosporium
- Alternaria
Sitka pollen calendar
Typical monthly intensity across the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tree | ||||||||||||
| grass | ||||||||||||
| weed | ||||||||||||
| mold |
Historical reports
Cities near Sitka
Explore pollen activity in nearby cities reported by the PollyMap network.
Frequently asked questions
When is allergy season in Sitka?
In Sitka, allergy season starts with tree pollen in late winter and early spring, transitions to grass pollen in May and June, and ends with weed pollen — primarily ragweed and sagebrush — from August through October.
What pollen is highest in Sitka?
The most prevalent local pollens in Sitka include Birch, Alder, Spruce in the spring season.
What months are worst for allergies in Sitka?
Most Sitka allergy sufferers report the worst symptoms during peak tree pollen in March-May and again during ragweed season in September.
Does Sitka have mold allergies?
Yes. Sitka's climate supports Cladosporium and Alternaria spore exposure, with counts typically peaking in the warm and humid months.
Why are allergies bad in Sitka?
Local geography, climate, and seasonal plant cycles all influence allergen load in Sitka. The combination of regional vegetation and weather creates predictable spring and fall pollen peaks.
Is there a local pollen collection site in Sitka?
Not yet. PollyMap is actively seeking a qualified local allergy clinic or environmental health partner in Sitka to host weekly pollen collection.
How can my clinic become a PollyMap partner in Sitka?
Clinics in Sitka can apply to become the official PollyMap collection partner. Approved partners receive PollyKits weekly, conduct 24-48 hour collections, and mail samples back for microscope analysis.
Bring real pollen data to Sitka.
Become the lead PollyMap collection partner in Sitka and join our national network.
Apply today