Issued: 2026 March 10 17:00 UTC


Analysis from March 09/1700 UTC to March 10/1700 UTC:

Sunspot Regions on the Disk 10/1404 UTC (SDO Continuum): 8
The Largest Event: C7.9 from region 4387 at 09/2038 UT
X-ray background flux (1.0-8.0 A) March 09: B6.1
Radio Flux 10.7 cm at 09/2300 UTC (Penticton): 129
Solar Wind Speed at 10/1645 UTC: 468.9 km/s, density : 0.0 p/cm^3


Forecast:

Activity level will be: very low to low - explanation
Event probabilities: Class C: 85%, Class M: 35%, Class X: 05%, Proton: 01%
X-ray background flux (1.0-8.0 A): in the range B5.0-B9.9
Radio Flux 10.7 cm: a fluctuation in the range 117-141

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