Limited-time launch offer: Setup and onboarding fee waived through November 30, 2026.See plans

CO · Allergy Season Guide

Boulder Allergy Season Guide

Boulder, CO allergy season guide with local pollen calendar, mold patterns, and PollyMap collection status.

Seeking Official PollyMap Partner

PollyMap is actively looking for a qualified local partner in Boulder.

We're recruiting a qualified local allergy clinic — or any clinic that provides allergy care — to become the official pollen collection partner for Boulder.

Become the Official PollyMap Partner for Boulder

Official PollyMap Partner in Boulder

Territory available

Become the Official PollyMap Partner for Boulder

Own the weekly real-sample reports, PollyMap Lab analysis, and trusted local profile for Boulder. One clinic per territory.

Apply for Boulder

While we find a local clinic

Test the air at your own home in Boulder

No allergy clinic is reporting from Boulder yet. Until one does, you can order your own PollyKit — a simple air sampler you hang outdoors or indoors. Send it back and the PollyKit Lab shows you exactly what's floating in your air.

  • Pollen from local trees, grasses and weeds
  • Airborne mold spores
  • Dust mites and other indoor allergens
Order your PollyKit

Hang it outdoors

See which pollen and mold are in your yard this season.

Or hang it indoors

Check bedrooms and living spaces for mold, dust mites and more.

Summary

PollyMap does not yet have weekly collected pollen data for Boulder. 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 Boulder

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.

Boulder monthly allergy calendar

Typical month-by-month intensity for the four major airborne allergen categories in Boulder.

Frequently asked questions about allergies in Boulder

Related guides

Get local pollen alerts for Boulder.

Subscribe and we'll email you when new local reports are published.

Subscribe to alerts