UV Light Rapidly Deactivates Airborne Allergens, New Study Finds
September 22, 2025 – A newly published study reveals that ultraviolet (UV) light can disable airborne allergens in as little as 30 minutes, offering a potential new tool in the fight against seasonal allergies and indoor air quality concerns. The research, released today, demonstrates UV light’s effectiveness in neutralizing common allergens, possibly reducing symptoms for millions who suffer from allergic reactions.
Allergic rhinitis, commonly known as hay fever, affects an estimated 50 million Americans annually, according to the Asthma and Allergy Foundation of America. Existing mitigation strategies often rely on symptom management and allergen avoidance. This study suggests a proactive approach to reducing allergen loads within indoor environments, potentially lessening the severity and frequency of allergic responses. Further research will focus on optimizing UV light application for various indoor spaces and assessing long-term effects on allergen viability.
the study specifically found that UV light exposure for 30 minutes significantly reduced the activity of airborne allergens. Researchers retrieved and analyzed the findings on September 22, 2025, from https://medicalxpress.com/news/2025-09-uv-disable-airborne-allergens-minutes.html.
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