2025-09-19
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2025-09-19
Daily Statistics Brief
On 2025-09-19, the planetary Kp index peaked at 3.9 (G0 quiet). solar wind speed reached 428 km/s and Bz dipped to -6 nT. Auroral hemispheric power was 39 GW. The Dst index reached -58 nT.
Aurora Oval — Peak Kp 3.9
Unsettled — aurora confined to high latitudes.
Auroral power: 39 GW
Kp max3.9Kp now3.9Wind428 km/sBz-6 nTAurora39 GWDst-58 nTFlare—NEAs0