2025-12-18
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2025-12-18
Daily Statistics Brief
On 2025-12-18, the planetary Kp index peaked at 2.2 (G0 quiet). solar wind speed reached 394 km/s and Bz dipped to -4 nT. Auroral hemispheric power was 22 GW. The Dst index reached -33 nT.
Aurora Oval — Peak Kp 2.2
Quiet — aurora near polar regions only.
Auroral power: 22 GW
Kp max2.2Kp now2.2Wind394 km/sBz-4 nTAurora22 GWDst-33 nTFlare—NEAs0