Sun unleashes powerful X-class solar flare and Earth-bound CME that could spark northern lights for July 4 weekend
01-07-2026 12:09 via space.com

Sun unleashes powerful X-class solar flare and Earth-bound CME that could spark northern lights for July 4 weekend

A restless Earth-facing sunspot unleashed a powerful X-class solar flare on June 30, triggering radio blackouts across parts of North America. The X1.1 solar flare erupted from sunspot region AR4479, peaking at 4:50 p.m. EDT (2050 GMT) according to NOAA's Space Weather Prediction Center. The intense burst of X-rays released during the eruption reached Earth in just over 8 minutes, triggering strong (R3) radio blackouts across the daylight side of Earth. This mainly affected high-frequency radio
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