Issued: 2025 July 30 17:00 UTC


Analysis from July 29/1700 UTC to July 30/1700 UTC:

Sunspot Regions on the Disk 30/1330 UTC (SDO Continuum): 10
The Largest Event: C4.7 from region 4155 at 30/0616 UT
X-ray background flux (1.0-8.0 A) July 29: B9.2
Radio Flux 10.7 cm at 29/2300 UTC (Penticton): 151
Solar Wind Speed at 30/1645 UTC: 466.1 km/s, density : 1.6 p/cm^3


Forecast:

Activity level will be: low - explanation
Event probabilities: Class C: 95%, Class M: 30%, Class X: 10%, Proton: 05%
X-ray background flux (1.0-8.0 A): in the range B9.0-C1.0
Radio Flux 10.7 cm: a fluctuation in the range 139-163

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