Space Weather Nowcasts Daily condition Date: 21 September 2020; 09: 45 UT Summary of Space Weather. The sun is spotless. The geomagnetic condtions are quiet at all levels. The solar wind speed has further declined. Space Weather parameters / observations; Sunspot Number: 0 10.7cm Flux: 70 sfu Solar wind speed: 283.6 km.s-1 Solar wind density: 10.1 protons.cm3 Kp: 0 Bz: 2.0 nT (North) Bt: 4.6 nT Dst: -17 nT