Planetary Kp
Kp 3.67
Forecast max: Kp 4.7
Solar Wind
525.0 km/s
Density: 3.1 p/cm³
IMF Bz (L1)
-2.0 nT
Southward (aurora favorable)
24h / Recent Peak Flare
B4.0
GOES X-ray primary
Aurora Reach Tonight
~55.1°GM
Horizon at Kp 4.7
Magnetopause Shield
10.4 RE
Shue et al. (1998)