International Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

Nowcast data for October 2026

(Last update: 02:47:45 UTC, October 11, 2026)

Geomagnetic Planetary Indices

Kp three-hourly daily

1 2 3 4 5 6 7 8 Sum Ap Cp

1 0o⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 1-⁽¹²⁾ 1+⁽¹¹⁾ 1+⁽¹¹⁾ 2-⁽¹¹⁾ 6o 3 0.1

2 1-⁽¹¹⁾ 1-⁽¹¹⁾ 0o⁽¹¹⁾ 0+⁽¹¹⁾ 0+⁽¹²⁾ 0o⁽¹²⁾ 1-⁽¹²⁾ 2-⁽¹²⁾ 4+ 2 0.0

3 1+⁽¹²⁾ 3-⁽¹²⁾ 2o⁽¹²⁾ 2-⁽¹²⁾ 1+⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 1o⁽¹²⁾ 11- 5 0.2

4 3o⁽¹²⁾ 3+⁽¹²⁾ 4+⁽¹²⁾ 5o⁽¹²⁾ 5-⁽¹²⁾ 5-⁽¹²⁾ 6-⁽¹²⁾ 5o⁽¹²⁾ 36- 38 1.4

5 4o⁽¹²⁾ 5o⁽¹²⁾ 2o⁽¹²⁾ 3+⁽¹²⁾ 3-⁽¹²⁾ 4o⁽¹²⁾ 4-⁽¹²⁾ 4-⁽¹²⁾ 28+ 23 1.1

6 3o⁽¹²⁾ 3o⁽¹²⁾ 2+⁽¹²⁾ 2+⁽¹²⁾ 2+⁽¹²⁾ 1+⁽¹²⁾ 2+⁽¹²⁾ 3-⁽¹²⁾ 19+ 10 0.6

7 1o⁽¹²⁾ 0+⁽¹²⁾ 1o⁽¹²⁾ 0+⁽¹¹⁾ 1-⁽¹²⁾ 3-⁽¹²⁾ 3-⁽¹²⁾ 1o⁽¹²⁾ 10- 5 0.2

8 1o⁽¹²⁾ 1o⁽¹²⁾ 1o⁽¹²⁾ 2o⁽¹²⁾ 1+⁽¹²⁾ 1+⁽¹²⁾ 2+⁽¹²⁾ 1o⁽¹²⁾ 11o 5 0.2

9 3o⁽¹²⁾ 3o⁽¹²⁾ 2o⁽¹²⁾ 4-⁽¹²⁾ 2-⁽¹²⁾ 1-⁽¹²⁾ 1o⁽¹²⁾ 3-⁽¹²⁾ 18- 10 0.6

10 2o⁽¹²⁾ 3+⁽¹²⁾ 3-⁽¹²⁾ 2o⁽¹²⁾ 4-⁽¹²⁾ 7+⁽¹²⁾ 7o⁽¹²⁾ 6-⁽¹²⁾ 34- 52 1.6

11 4o⁽¹²⁾


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

1	0o⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	1-⁽¹²⁾	1+⁽¹¹⁾	1+⁽¹¹⁾	2-⁽¹¹⁾	6o	3	0.1
2	1-⁽¹¹⁾	1-⁽¹¹⁾	0o⁽¹¹⁾	0+⁽¹¹⁾	0+⁽¹²⁾	0o⁽¹²⁾	1-⁽¹²⁾	2-⁽¹²⁾	4+	2	0.0
3	1+⁽¹²⁾	3-⁽¹²⁾	2o⁽¹²⁾	2-⁽¹²⁾	1+⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	1o⁽¹²⁾	11-	5	0.2
4	3o⁽¹²⁾	3+⁽¹²⁾	4+⁽¹²⁾	5o⁽¹²⁾	5-⁽¹²⁾	5-⁽¹²⁾	6-⁽¹²⁾	5o⁽¹²⁾	36-	38	1.4
5	4o⁽¹²⁾	5o⁽¹²⁾	2o⁽¹²⁾	3+⁽¹²⁾	3-⁽¹²⁾	4o⁽¹²⁾	4-⁽¹²⁾	4-⁽¹²⁾	28+	23	1.1
6	3o⁽¹²⁾	3o⁽¹²⁾	2+⁽¹²⁾	2+⁽¹²⁾	2+⁽¹²⁾	1+⁽¹²⁾	2+⁽¹²⁾	3-⁽¹²⁾	19+	10	0.6
7	1o⁽¹²⁾	0+⁽¹²⁾	1o⁽¹²⁾	0+⁽¹¹⁾	1-⁽¹²⁾	3-⁽¹²⁾	3-⁽¹²⁾	1o⁽¹²⁾	10-	5	0.2
8	1o⁽¹²⁾	1o⁽¹²⁾	1o⁽¹²⁾	2o⁽¹²⁾	1+⁽¹²⁾	1+⁽¹²⁾	2+⁽¹²⁾	1o⁽¹²⁾	11o	5	0.2
9	3o⁽¹²⁾	3o⁽¹²⁾	2o⁽¹²⁾	4-⁽¹²⁾	2-⁽¹²⁾	1-⁽¹²⁾	1o⁽¹²⁾	3-⁽¹²⁾	18-	10	0.6
10	2o⁽¹²⁾	3+⁽¹²⁾	3-⁽¹²⁾	2o⁽¹²⁾	4-⁽¹²⁾	7+⁽¹²⁾	7o⁽¹²⁾	6-⁽¹²⁾	34-	52	1.6
11	4o⁽¹²⁾

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/