Solar activity forecast for the period January 25 - January 26, 2026

Issued: 2026 January 24 17:00 UTC


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

Sunspot Regions on the Disk 24/1145 UTC (SDO Continuum): 13
The Largest Event: C5.9 from Region S24E75 at 23/2329 UT
X-ray background flux (1.0-8.0 A) January 23: C1.4
Radio Flux 10.7 cm at 23/2300 UTC (Penticton): 184
Solar Wind Speed at 24/1645 UTC: 568.3 km/s, Density: 1.2 p/cm^3


Forecast:

activity level will be low
Event probabilities: Class C: 75, Class M: 35, Class X: 10, Proton: 10
X-ray background flux (1.0-8.0 A): in the range C1.3-C1.7
Radio Flux 10.7 cm: a fluctuation in the range 172-196

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