Space Weather Nowcasts Daily condition Date: 29 May 2021; 13:450 UT Summary of Space Weather. Sunpots AR2824 and AR2826 both pose a threat for C-class solar flares. The geomagnetic conditions are quiet at all levels. The solar wind speed has declined. Space Weather parameters / observations; Sunspot Number: 28 10.7cm Flux: 77 sfu Solar wind speed: 415.1 km.s-1 Solar wind density: 6.6 protons.cm3 Kp: 2 Bz: -2.6 nT (South) Bt: 7.6 nT Dst: -6 nT