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