2025-09-12
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2025-09-12
Daily Statistics Brief
On 2025-09-12, the planetary Kp index peaked at 5.0 (G2 moderate). solar wind speed reached 700 km/s and Bz dipped to -15 nT. Auroral hemispheric power was 200 GW. The Dst index reached -75 nT.
Aurora Oval — Peak Kp 5.0
Active storm — aurora oval expanded equatorward.
Auroral power: 200 GW
Kp max5.0Kp now5.0Wind700 km/sBz-15 nTAurora200 GWDst-75 nTFlare—NEAs0