Solar activity forecast for the period January 26 - January 27, 2026

Issued: 2026 January 25 17:00 UTC


Analysis from January 24/1700 UTC to January 25/1700 UTC:

Sunspot Regions on the Disk 25/1415 UTC (SDO Continuum): 11
The Largest Event: C6.3 from Region 4351 at 25/1030 UT
X-ray background flux (1.0-8.0 A) January 24: 170
Radio Flux 10.7 cm at 24/2300 UTC (Penticton): 170
Solar Wind Speed at 25/1645 UTC: 499.5 km/s, Density: 1.6 p/cm^3


Forecast:

activity level will be low
Event probabilities: Class C: 75, Class M: 35, Class X: 05, Proton: 05
X-ray background flux (1.0-8.0 A): in the range C1.1-C1.4
Radio Flux 10.7 cm: a fluctuation in the range 155-179

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