Coronal Mass Ejections Geomagnetic Storms X-class Flares Sunspots X-Class Flares Classification Solar Flare Classification X-class Solar Flares Impact on Earth Coronal Mass Ejection Solar Storms Solar Flare Impact Intensity Radio Interference Solar Flare Intensity X-Class Solar Flares Radiation Storms Solar Cycle 25 Coronal Mass Ejection (CME) 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 Solar Flare Magnitude Radio Blackouts Radiation Quadruple Solar Flares Sun's Activity Cycle Specific Instances X5.9-class Solar Flare Impact on Technology Intensity of Solar Flares 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