International Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

Nowcast data for May 2026

(Last update: 14:55:28 UTC, May 6, 2026)

Geomagnetic Planetary Indices

Kp three-hourly daily

1 2 3 4 5 6 7 8 Sum Ap Cp

1 4- 4+ 3o 1+ 1- 2- 3o 1+ 19o 13 0.7

2 2+ 1+ 1- 2- 1+ 1o 1+ 3- 12+ 6 0.3

3 3+ 2+ 2+ 1- 1+ 3- 1+ 1o 15o 8 0.4

4 2- 2o 2- 3- 3- 4o 5+ 4+ 24+ 20 1.0

5 5- 4- 2- 1o 1- 0+ 1- 1o 14- 10 0.6

6 0+ 0o 1- 0+ 0+


Kp three-hourly	daily
	1	2	3	4	5	6	7	8	Sum	Ap	Cp

1	4-	4+	3o	1+	1-	2-	3o	1+	19o	13	0.7
2	2+	1+	1-	2-	1+	1o	1+	3-	12+	6	0.3
3	3+	2+	2+	1-	1+	3-	1+	1o	15o	8	0.4
4	2-	2o	2-	3-	3-	4o	5+	4+	24+	20	1.0
5	5-	4-	2-	1o	1-	0+	1-	1o	14-	10	0.6
6	0+	0o	1-	0+	0+

Note: If not the complete data from all 13 observatories could be used in the calculation, the number of already included observatories is given in parentheses.

Editor:

GFZ Helmholtz Centre for Geosciences

Adolf Schmidt Observatory for Geomagnetism

https://kp.gfz.de/en/