2015-06-22 · historical storm
Historical snapshot — data recorded on 2026-08-12, not live
Space weather — 2015-06-22
Daily Statistics Brief
On 2015-06-22, the planetary Kp index peaked at 8.0 (G5 extreme). solar wind speed reached 770 km/s and Bz dipped to -23 nT. Auroral hemispheric power was 290 GW. The Dst index reached -204 nT.
Aurora Oval — Peak Kp 8.0
Severe storm — aurora visible at mid-latitudes.
Auroral power: 290 GW
Kp max8.0Kp now8.0Wind770 km/sBz-23 nTAurora290 GWDst-204 nTFlare—NEAs0