New balloon-mounted probes have captured the strongest radiation spike at aviation altitudes in 20 years
Sandeep K S
Dec 5, 2025
1 min read
Solar Storm Alert: The most significant radiation increase since 2006 occurred due to an X5-class solar flare on November 11, 2025, causing radiation levels to soar to ten times the normal at 40,000 feet. This event triggered an estimated 60 electronic errors per hour in aircraft, prompting a rapid-response with balloon sensors gathering real-time data from 100,000 feet. For the first time, a 3D radiation image was developed, enhancing aviation safety forecasts by improving models against severe space weather.
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