OR pollen report
Eugene Pollen Report
PollyMap is actively seeking a qualified local collection partner in Eugene. This guide uses regional climate and historical allergen data while we recruit a local host.
Collection coming soon to Eugene
PollyMap is actively recruiting a verified local partner in Eugene. Be the first to know — or apply to be the partner.
Pollen patterns in Eugene
In Eugene, tree pollen — including Alder, Birch, Cedar — typically dominates from late winter through spring. Rye grass is the most common warm-season pollinator, and Plantain drives the largest fall pollen load.
Top trees
- Alder
- Birch
- Cedar
- Hazel
- Maple
Top grasses
- Rye
- Orchard
- Timothy
- Bentgrass
Top weeds
- Plantain
- Dock
- Nettle
Top molds
- Cladosporium
- Alternaria
- Penicillium
- Aspergillus
Eugene 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 Eugene
Explore pollen activity in nearby cities reported by the PollyMap network.
Frequently asked questions
When is allergy season in Eugene?
In Eugene, 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 Eugene?
The most prevalent local pollens in Eugene include Alder, Birch, Cedar in the spring season.
What months are worst for allergies in Eugene?
Most Eugene allergy sufferers report the worst symptoms during peak tree pollen in March-May and again during ragweed season in September.
Does Eugene have mold allergies?
Yes. Eugene's climate supports Cladosporium and Alternaria spore exposure, with counts typically peaking in the warm and humid months.
Why are allergies bad in Eugene?
Local geography, climate, and seasonal plant cycles all influence allergen load in Eugene. The combination of regional vegetation and weather creates predictable spring and fall pollen peaks.
Is there a local pollen collection site in Eugene?
Not yet. PollyMap is actively seeking a qualified local allergy clinic or environmental health partner in Eugene to host weekly pollen collection.
How can my clinic become a PollyMap partner in Eugene?
Clinics in Eugene 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 Eugene.
Become the lead PollyMap collection partner in Eugene and join our national network.
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