Space Weather Nowcasts Daily condition Date: 18 September 2021; 10:24 UT Summary of Space Weather. The sun is spotless. The geomagnetic conditions are quiet. The solar wind speed is increasing. Space Weather parameters / observations; Sunspot Number: 0 10.7cm Flux: 75 sfu Solar wind speed: 396.1 km.s-1 Solar wind density: 17.4 protons.cm3 Kp: 0 Bz: 0.2 nT (North) Bt: 6.9 nT Dst: -36 nT