The new half-hourly Hp30 and hourly Hp60 indices (publication on Hpo) are designed to have the same properties as the traditional three-hourly Kp index (publication on Kp).
Find below the current Hp30, Hp60 and Kp plots from the index producer, GFZ German Research Centre for Geosciences (GFZ). For data download go to GFZ.
