Issued: 2026 May 05 17:00 UTC


Analysis from May 04/1700 UTC to May 05/1700 UTC:

Sunspot Regions on the Disk 05/1045 UTC (SDO Continuum): 10
The Largest Event: C6.0 from region 4424 at 05/0527 UT
X-ray background flux (1.0-8.0 A) May 04: B7.5
Radio Flux 10.7 cm at 04/2300 UTC (Penticton): 137
Solar Wind Speed at 05/1643 UTC: 377.6 km/s, density : 1.5 p/cm^3


Forecast:

Activity level will be: low - explanation
Event probabilities: Class C: 60%, Class M: 20%, Class X: 05%, Proton: 01%
X-ray background flux (1.0-8.0 A): in the range B7.0-B8.0
Radio Flux 10.7 cm: a fluctuation in the range 125-149

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