Issued: 2026 March 29 17:00 UTC


Analysis from March 28/1700 UTC to March 29/1700 UTC:

Sunspot Regions on the Disk 29/0754 UTC (SDO Continuum): 9
The Largest Event: C2.1 from region 4407 at 29/0511 UT
X-ray background flux (1.0-8.0 A) March 28: B8.7
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 162
Solar Wind Speed at 29/1645 UTC: 401.8 km/s, density : 1.0 p/cm^3


Forecast:

Activity level will be: low to moderate - explanation
Event probabilities: Class C: 99%, Class M: 55%, Class X: 20%, Proton: 05%
X-ray background flux (1.0-8.0 A): in the range B8.5-B9.5
Radio Flux 10.7 cm: a fluctuation in the range 150-174

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