2026-02-21
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2026-02-21
Daily Statistics Brief
On 2026-02-21, the planetary Kp index peaked at 4.5 (G1 minor). solar wind speed reached 440 km/s and Bz dipped to -6 nT. Auroral hemispheric power was 45 GW. The Dst index reached -67 nT.
Aurora Oval — Peak Kp 4.5
Unsettled — aurora confined to high latitudes.
Auroral power: 45 GW
Kp max4.5Kp now4.5Wind440 km/sBz-6 nTAurora45 GWDst-67 nTFlare—NEAs0