Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Mar 17, 2011 and Mar 18, 2011 (GOES-15)
Solar flares on Mar 18, 2011
No solar flares of C, M and X-class were observed
Solar flares on Mar 17, 2011
No solar flares of C, M and X-class were observed