Tag: m6_8

Moderate Solar Flare Causes Brief Radio Blackout

21 Jun 2026 3:50 p.m. · Source: NOAA

NOAA reported an M6.8 X-ray event on June 21, 2026, causing an R2 - Moderate solar flare. This led to a limited, tens-of-minutes blackout of high-frequency radio communication, primarily affecting Earth's sunlit side.

Science & Technology Weather Astronomy and Space General Weather NOAA Space Weather X-ray Event Solar Flare Radio Blackout M6.8 R2 Solar Flares