MN pollen report
St. Paul Pollen Report
St. Paul shares the Twin Cities' demanding allergy calendar: a compressed but intense season squeezed between long winters. Oak and birch bury the city in May, grasses carry June and July, and ragweed — abundant along the Mississippi corridor and in farm country — fills the fall until the first hard frost.
Collection coming soon to St. Paul
PollyMap is actively recruiting a verified local partner in St. Paul. Be the first to know — or apply to be the partner.
What drives allergies in St. Paul
Trees: oak, birch, and maple (April – June)
Oak (Quercus), birch (Betula), and maple dominate the canopy. The short northern spring compresses the tree season into a few intense weeks.
Grasses: Timothy and bluegrass (May – August)
Lawn and pasture grasses pollinate heavily in June across the metro and surrounding farmland.
Weeds: ragweed (August – frost)
Ragweed (Ambrosia) is abundant in Minnesota's farm country, with counts elevated until the first frost.
Mold: river and harvest
Mississippi corridor humidity and harvest season keep Alternaria and Cladosporium active from summer into fall.
Historical reports
Cities near St. Paul
Explore pollen activity in nearby cities reported by the PollyMap network.
Frequently asked questions
What is the pollen count in St. Paul today?
PollyMap publishes real, microscope-verified pollen counts for St. Paul — measured from physical air samples. The latest report on this page shows current tree, grass, weed, and mold levels.
Is the pollen count high in St. Paul right now?
St. Paul's worst stretches are May (oak, birch), June (grasses), and September (ragweed). The measured reports on this page show today's actual levels.
When is allergy season in St. Paul?
April through the first hard frost: trees in late spring, grasses in summer, ragweed in the fall, and mold through the warm months.
Does the long Minnesota winter mean a mild allergy season?
No — the season is compressed, not mild. Trees, grasses, and ragweed overlap more in the Twin Cities, so peak weeks can be especially intense.
Are you an allergy clinic in St. Paul? Claim your territory on PollyMap.
PollyMap is a local authority-building tool for allergy clinics, ENT practices, and any clinic that offers allergy care. By becoming the Official PollyMap Partner for your part of St. Paul, your clinic gets credited on real pollen reports, receives ready-to-share weekly content, and becomes the go-to local expert patients trust.
We assign each partner a designated territory within the St. Paul metro — like a franchise territory. St. Paul has room for multiple partners, but once your area is assigned, it's locked to your clinic.
No clinic has claimed a territory in St. Paul yet. The best areas go to the first clinics that sign up — once one does, that part of town is off the table for everyone else.
St. Paul, Maplewood, Woodbury, and Roseville each make natural PollyMap territories. The first allergy clinic in each area becomes its credited pollen expert.
- Your clinic credited on every St. Paul pollen report
- Weekly real-sample reports and ready-to-share content under your brand
- Locked territory — competing clinics can't claim your area
- Become the go-to allergy expert in your part of St. Paul