
What Allergies Are Bad This Month? Month-by-Month U.S. Pollen Calendar
Use this month-by-month U.S. pollen calendar to compare tree, grass, weed, and mold seasons by region, then check current local conditions before planning exposure.
AllergyAva Resources
Clear, actionable guidance from the AllergyAva Editorial Team. Health-information resources are clinically reviewed before publication.

Use this month-by-month U.S. pollen calendar to compare tree, grass, weed, and mold seasons by region, then check current local conditions before planning exposure.

A clinically reviewed lawn-mowing and yard-work protocol covering respirators, pollen timing, asthma safety, clothing, showering, tools, and cleanup.

Make sense of allergy indexes and tree, grass, weed, and mold scores, then turn the next five days of pollen data into a practical plan.

Pollen can affect more than your nose. Recognize asthma warning signs, poor symptom control, and emergencies—and use an action plan to stay protected.

Pollen levels rise and fall with the hour and weather. Time walks, workouts, errands, and yard work to reduce exposure during allergy season.

Ragweed season has a predictable rhythm. Recognize its symptoms, track peak pollen, choose effective treatments, and know when to consult an allergist.

See how tree, grass, and weed pollen differ by season, symptoms, and food cross-reactions, with practical guidance on tracking, testing, and treatment.

Allergy shots are a long-term commitment. See how buildup and maintenance work, what benefits to expect, and which side effects need attention.

Persistent symptoms or treatments that no longer work may signal it is time for an allergist. Know what testing involves and how to prepare for your visit.

From spring trees to late-summer weeds, understand what triggers pollen reactions, when symptoms peak, and which prevention and treatment strategies help.

Build an allergy-friendly plate with anti-inflammatory foods that may support relief during pollen season, while avoiding ingredients that can aggravate symptoms.