Allergy season begins when plants start to release pollen, and the weather has a significant role in when that occurs and how intensely it hits.
More Days of Spring Pollen
In general, a warmer, milder winter means more pollen production because plants can produce the allergen earlier. According to a 2021 study, allergy season is 20 days longer due to climate change, and tree, grass, and weed pollen counts are already on the rise. Plants release the allergen in the spring to nourish other plants.
For one in four adults, and one in five children, immune systems overreact when they inhale pollen. Their immune systems create antibodies that target the allergens, as it sees pollen as a threat. Histamines are released into the bloodstream, causing symptoms including a runny nose and itchy eyes.
Allergy Capitals in the US
The Allergy Foundation and America rank communities based on pollen counts, the amount of over-the-counter and prescription allergy medication per patient, and the number of board-certified allergists per patient in the 50 most populous cities in the continental United States.
Boise, Idaho, is ranked the worst overall, followed by San Diego, Tulsa, Provo, and Rochester. More Western cities made the list for 2026 than in previous years.
Easing Allergy Symptoms
Before heading out the door, check the pollen counts. Check the local news or visit the American Academy of Allergy, Asthma and Immunology’s National Allergy Bureau for up-to-date readings. Weather apps often give local allergen counts as well.
Treat symptoms before they start. Most medications work best if taken before the allergen is in the air. Some allergists recommend taking them two weeks before symptoms surface. Ask the doctor when to begin treatment.
High-energy filters can help keep the air inside the home clean by trapping pollen and other allergens if forced air conditioning or heating systems are used.
Keep windows closed. Use fans or an air conditioner to keep cool at home and in the car to minimize exposure.
Sources:
USA Today: Having seasonal allergies? Here’s where counts are on the rise
The Weather Channel: How Wind, Rain And Temperature Fuel Your Allergy Season
WATE 6: East TN doctor offers advice on how to deal with seasonal allergies
Featured Image Courtesy of Michael’s Flickr Page – Creative Commons License
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