Health experts warn prolonged allergy season as 50 million Americans suffer

March 17, 2026 - 01:00

Health experts are issuing a nationwide warning that this year's allergy season may be significantly longer and more intense, affecting the more than 50 million Americans who suffer from seasonal allergies. The extended period of discomfort is being driven by a confluence of environmental factors.

A primary contributor is climate change, which is leading to warmer temperatures that encourage plants to start producing pollen earlier in the spring and continue later into the fall. Furthermore, increased levels of carbon dioxide in the atmosphere act as a fertilizer for many plants, leading to more robust growth and a greater volume of pollen produced. These conditions are creating a "perfect storm" for allergy sufferers.

Common symptoms include sneezing, itchy and watery eyes, nasal congestion, and fatigue. For individuals with asthma, high pollen counts can trigger more frequent and severe attacks, posing a serious health risk. Medical professionals advise proactive management, including monitoring local pollen forecasts, keeping windows closed during high-count days, and showering after spending time outdoors to remove pollen from skin and hair.

The extended season underscores the growing public health impact of environmental changes. Experts stress that consulting with a healthcare provider for an accurate diagnosis and a personalized treatment plan is crucial for finding relief and maintaining quality of life throughout the challenging months ahead.