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