Overview
- Oklahoma recorded about 73 flashes per square mile in 2025, surpassing Florida based on AEM’s nationwide sensor network.
- Kay County, Oklahoma, led all counties with approximately 123.4 flashes per square mile.
- AEM measured more than 88.4 million lightning flashes across the U.S. last year, an increase of about 9.8% from 2024.
- Texas logged the highest total flashes with more than 13 million as Great Plains states dominated volume rankings.
- The National Lightning Safety Council reported 21 U.S. lightning fatalities in 2025, with Florida accounting for four.