It is likewise the largest flare to be observed given that September 10, 2017 when an X8.2 flare took place. C-class Flares: These are little flares with very little impact on Earth. They are typical and can happen often during periods of high solar activity.M-class Flares: These are medium-sized flares that can trigger quick radio blackouts at the poles and small radiation storms that may threaten astronauts.X-class Flares: The most extreme type, these flares can activate planet-wide radio blackouts and long-lasting radiation storms.
X-class signifies the most intense flares, while the number provides more info about its strength.Credit: NOAA Space Weather Prediction CenterMore details were offered by the National Oceanic and Atmospheric Administrations Space Weather Prediction Center: An X5.0 flare (R3 Strong Radio Blackout) from NOAA/SWPC Region 3536 occurred at 31/2155 UTC. C-class Flares: These are little flares with very little impact on Earth. They are common and can take place often during durations of high solar activity.M-class Flares: These are medium-sized flares that can cause short radio blackouts at the poles and minor radiation storms that might endanger astronauts.X-class Flares: The most extreme type, these flares can trigger planet-wide radio blackouts and lasting radiation storms.