Date: 30 September 2021; 09:45 UT
Summary of Space Weather.
Sunspot AR2877 and AR2880 have ‘beta-gamma’ magnetic fields that harbour energy for M-class solar flares. The geomagnetic
conditions are quiet at all levels. The solar wind speed is declining.
Space Weather parameters / observations;
Sunspot Number: 74
10.7cm Flux: 102 sfu
Solar wind speed: 399.0 km.s-1
Solar wind density: 7.1 protons.cm3
Bz: -0.1 nT (South)
Bt: 3.5 nT
Dst: 11 nT