Key Takeaways

Thunderstorms are related to severe asthma attacks

Nearly 14% of ER asthma cases occurred on thunderstorm days representing 2% of the entire study period

An average 18 asthma ER visits occurred on thunderstorm days, compared to three on non-storm days

FRIDAY, Nov. 7, 2025 (HealthDay News) — The flash of lightning and roar of thunder can be quickly followed by the wheezing gasp of an asthma attack, a new study says.

Thunderstorms appear to trigger sharp increases in asthma-related ER visits, researchers are scheduled to report Saturday at the American College of Allergy, Asthma & Immunology’s annual meeting in Orlando, Florida.

“These results confirm that thunderstorms can pose a serious health risk for people with asthma, even in the United States,” said lead research

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