Issued: 2026 April 24 17:00 UTC


Analysis from April 23/1700 UTC to April 24/1700 UTC:

Sunspot Regions on the Disk 24/1215 UTC (SDO Continuum): 9
The Largest Event: X2.5 from region 4419 at 24/0813 UT
X-ray background flux (1.0-8.0 A) April 23: C2.4
Radio Flux 10.7 cm at 23/2300 UTC (Penticton): 128
Solar Wind Speed at 24/1645 UTC: 367.8 km/s, density : 2.7 p/cm^3


Forecast:

Activity level will be: moderate - explanation
Event probabilities: Class C: 99%, Class M: 75%, Class X: 35%, Proton: 10%
X-ray background flux (1.0-8.0 A): in the range C1.5-C2.2
Radio Flux 10.7 cm: a fluctuation in the range 120-140

Vlastislav Feik
RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz