SD · Allergy Season Guide
Rapid City Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Rapid City. This guide uses regional climate and historical allergen data while we recruit a local host.
PollyMap is actively looking for a qualified local partner in Rapid City.
We're recruiting a qualified local allergy clinic, naturopathic clinic, university, environmental health professional, or other qualified organization to become the official pollen collection partner for Rapid City.
Become the Official PollyMap Partner for Rapid CitySummary
PollyMap does not yet have weekly collected pollen data for Rapid City. This guide is based on regional climate patterns and historical allergen data while we recruit a local collection partner. Tree pollen peaks in spring, grass pollen in late spring and early summer, and weed pollen in late summer and fall.
Local allergy guide for Rapid City
Rapid City shares South Dakota's a continental climate with hot, humid summers, cold winters, and frequent severe weather. at 3,202 ft elevation.
Rapid City at 3,202 ft elevation sits within South Dakota's broader regional climate.
In Rapid City, tree pollen — including Elm, Cedar, Oak — typically dominates from late winter through spring. Bluegrass grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Rapid City's local mold profile includes Alternaria, Cladosporium, Aspergillus. Spore counts tend to peak after rainfall and during the warm, humid portion of the year.
Local weather — temperature, rainfall, wind, and humidity — drives day-to-day pollen levels. Dry, windy days following warm weather typically produce the highest counts, while heavy rain temporarily clears the air.
Rapid City monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Rapid City.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | V.High | V.High | High | Mod | Low | Low | Low | Low | Low | Low |
| Grass | — | — | Low | Mod | High | V.High | High | Mod | Low | Low | — | — |
| Weed | Low | Low | Mod | Mod | Mod | Mod | High | V.High | V.High | V.High | Mod | Low |
| Mold | Low | Low | Mod | Mod | High | High | V.High | V.High | V.High | High | Mod | Low |
Most common local pollens — trees
Most common local pollens — weeds
Most common airborne molds
Current PollyMap data for Rapid City
Official PollyMap Partner in Rapid City
Frequently asked questions about allergies in Rapid City
The PollyKit — $39.99
Test the air at your exact address.
Test the air at your exact address — not a regional forecast, your actual air. Tests for pollen, mold spores, dust mites, and other airborne particles. Ships nationwide. Results in 3–5 days.
- 1
Hang
Hang the PollyKit indoors or outdoors at your home, office, or classroom for 24–48 hours.
- 2
Return
Mail it back in the included prepaid envelope.
- 3
Results
Receive your personal lab report showing what's actually in your air.
Related guides
State Guide
South Dakota Allergy Season Guide
Nearby city
Sioux Falls Allergy Season Guide
Nearby city
Aberdeen Allergy Season Guide
Nearby city
Brookings Allergy Season Guide
Nearby city
Watertown Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
Become a partner
Get local pollen alerts for Rapid City.
Subscribe and we'll email you when new local reports are published.
Subscribe to alerts