2025-10-10 · historical storm
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2025-10-10
Daily Statistics Brief
On 2025-10-10, the planetary Kp index peaked at 7.3 (G4 severe). solar wind speed reached 820 km/s and Bz dipped to -22 nT. Auroral hemispheric power was 269 GW. The Dst index reached -155 nT.
Aurora Oval — Peak Kp 7.3
Severe storm — aurora visible at mid-latitudes.
Auroral power: 269 GW
Kp max7.3Kp now7.3Wind820 km/sBz-22 nTAurora269 GWDst-155 nTFlare—NEAs0