Space Weather Nowcasts Daily condition Date: 27 September 2021; 09:45 UT Summary of Space Weather. Sunspot AR2871 has a 'Beta-gamma' magnetic field that harbours energy for M-class solar flares. The geomagnetic conditions are quiet at all levels. The solar wind speed has declined. Space Weather parameters / observations; Sunspot Number: 67 10.7cm Flux: 86 sfu Solar wind speed: 374.9 km.s-1 Solar wind density: 10.3 protons.cm3 Kp: 2 Bz: 2.0 nT (North) Bt: 9.1 nT Dst: 7 nT