2014-08-28 Kp ← Previous Next → Chart: “Estimated Planetary K index (3 hour data), updated 2014 Aug 28 13:00:09 UTC, NOAA/SWPC Boulder, CO USA, public domain Like this:Like Loading... Share this:EmailPrintFacebookPocketMoreMastodonNextdoorPinterestTelegramTumblrWhatsAppLike this:Like Loading...