Space Weather Nowcasts Daily condition 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 Kp: 1 Bz: -0.1 nT (South) Bt: 3.5 nT Dst: 11 nT