26 09 2023 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 2.33 00:15 2.33 00:30 2.00 00:45 2.00 01:00 2.00 01:15 2.00 01:30 2.00 01:45 2.00 02:00 2.00 02:15 2.33 02:30 2.00 02:45 2.00 03:00 2.00 03:15 2.33 03:30 3.00 03:45 3.67 04:00 3.33 04:15 3.33 04:30 3.67 04:45 4.00 05:00 4.00 05:15 4.00 05:30 4.67 05:45 5.00 06:00 5.00 06:15 4.67 06:30 4.67 06:45 4.67 07:00 5.00 07:15 5.00 07:30 5.00 07:45 5.00 08:00 5.00 08:15 5.00 08:30 5.00 08:45 5.00 09:00 5.00 09:15 5.00 09:30 5.00 09:45 5.33 10:00 5.00 10:15 5.00 10:30 5.00 10:45 4.67 11:00 5.33 11:15 6.00 11:30 5.67 11:45 5.67 12:00 4.67 12:15 5.33 12:30 5.00 12:45 5.33 13:00 5.33 13:15 5.33 13:30 5.00 13:45 5.33 14:00 5.33 14:15 5.33 14:30 5.00 14:45 5.00 15:00 5.00 15:15 5.00 15:30 5.00 15:45 4.67 16:00 4.67 16:15 4.67 16:30 4.67 16:45 4.67 17:00 4.33 17:15 4.00 17:30 4.67 17:45 4.67 18:00 4.67 18:15 4.33 18:30 4.33 18:45 4.33 19:00 4.33 19:15 4.00 19:30 4.33 19:45 4.00 20:00 4.00 20:15 4.00 20:30 4.00 20:45 4.00 21:00 4.00 21:15 4.00 21:30 4.00 21:45 4.00 22:00 4.00 22:15 4.00 22:30 3.67 22:45 3.67 23:00 4.00 23:15 3.67 23:30 3.67 23:45 3.67