Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Apr 12, 2021 and Apr 13, 2021 (GOES-16)
Solar flares on Apr 13, 2021
No solar flares of C, M and X-class were observed
Solar flares on Apr 12, 2021
No solar flares of C, M and X-class were observed