2025-09-04
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2025-09-04
Daily Statistics Brief
On 2025-09-04, the planetary Kp index peaked at 3.5 (G0 quiet). solar wind speed reached 420 km/s and Bz dipped to -5 nT. Auroral hemispheric power was 35 GW. The Dst index reached -52 nT.
Aurora Oval — Peak Kp 3.5
Unsettled — aurora confined to high latitudes.
Auroral power: 35 GW
Kp max3.5Kp now3.5Wind420 km/sBz-5 nTAurora35 GWDst-52 nTFlare—NEAs0