Coronal Mass Ejections Geomagnetic Storms X-class Flares Sunspots X-class Solar Flares Classification Solar Flare Classification X-Class Flares Coronal Mass Ejection Solar Storms Impact on Earth Solar Flare Impact Intensity Radiation Storms Coronal Mass Ejection (CME) Solar Cycle 25 Radio Interference Solar Flare Intensity X-Class Solar Flares Solar Wind Solar Eruptions Superflares Phenomenon Sun Impact on Communication Impact on Infrastructure Impact on Navigation Sunspot Activity Radio Communications C-Class Flares B-Class Flares A-Class Flares Impact Risks Solar Flare Effects Effects of Solar Flares Sympathetic Solar Flares Sympathetic Solar Flare Slow-Building Solar Flares Solar Flare Eruption Solar Flare Eruptions M-class Solar Flares Historical Events Impact on Cellular Service Nature Solar Flare Activity Historical Data Intensity of Solar Flares Radio Blackouts Radiation Quadruple Solar Flares Sun's Activity Cycle Specific Instances Solar Flare Magnitude X5.9-class Solar Flare Solar Flare Observations Threats Solar Flare Impacts Solar Flare Dynamics Observations Measurement Related Phenomena NASA's Solar Dynamics Observatory Solar Activity Impact Effects Intensity Measurement Solar Plasma Northern Lights Solar Activity Radio Bursts Space Weather M-Class Flares Ionospheric Changes