International Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

Nowcast data for October 2026

(Last update: 17:13:24 UTC, October 25, 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⁾ 4-⁽¹²⁾ 3-⁽¹²⁾ 3o⁽¹²⁾ 2+⁽¹²⁾ 2+⁽¹²⁾ 2-⁽¹²⁾ 2o⁽¹²⁾ 22- 13 0.8

12 2-⁽¹²⁾ 2o⁽¹²⁾ 3o⁽¹²⁾ 1o⁽¹²⁾ 0+⁽¹²⁾ 1o⁽¹²⁾ 2o⁽¹²⁾ 1o⁽¹²⁾ 12o 6 0.3

13 3+⁽¹²⁾ 3+⁽¹²⁾ 2o⁽¹²⁾ 3o⁽¹²⁾ 3o⁽¹²⁾ 2o⁽¹²⁾ 3-⁽¹²⁾ 1o⁽¹²⁾ 20+ 12 0.7

14 2+⁽¹²⁾ 3+⁽¹²⁾ 1+⁽¹²⁾ 2o⁽¹²⁾ 2-⁽¹²⁾ 2o⁽¹²⁾ 3-⁽¹²⁾ 3-⁽¹²⁾ 18o 10 0.5

15 2o⁽¹²⁾ 1o⁽¹²⁾ 1-⁽¹²⁾ 3+⁽¹²⁾ 2+⁽¹²⁾ 3o⁽¹²⁾ 3-⁽¹²⁾ 2+⁽¹²⁾ 17+ 10 0.5

16 3o⁽¹²⁾ 1o⁽¹²⁾ 1+⁽¹²⁾ 2+⁽¹²⁾ 2-⁽¹²⁾ 3+⁽¹²⁾ 4o⁽¹²⁾ 2o⁽¹²⁾ 19- 11 0.7

17 1+⁽¹²⁾ 1-⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 1-⁽¹²⁾ 3-⁽¹²⁾ 3o⁽¹²⁾ 1+⁽¹²⁾ 10+ 6 0.3

18 2-⁽¹²⁾ 2+⁽¹²⁾ 2-⁽¹²⁾ 1+⁽¹²⁾ 0o⁽¹²⁾ 1+⁽¹²⁾ 1+⁽¹²⁾ 0+⁽¹²⁾ 10o 5 0.2

19 0o⁽¹²⁾ 0o⁽¹²⁾ 0o⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 0+⁽¹²⁾ 1-⁽¹²⁾ 2o 1 0.0

20 1+⁽¹²⁾ 1-⁽¹²⁾ 1-⁽¹²⁾ 2+⁽¹²⁾ 2o⁽¹²⁾ 2+⁽¹²⁾ 2+⁽¹²⁾ 3+⁽¹²⁾ 15o 8 0.4

21 4-⁽¹²⁾ 4o⁽¹²⁾ 2-⁽¹²⁾ 2+⁽¹²⁾ 2o⁽¹²⁾ 3+⁽¹²⁾ 4o⁽¹²⁾ 5-⁽¹²⁾ 26- 19 1.0

22 3-⁽¹¹⁾ 3o⁽¹¹⁾ 3-⁽¹¹⁾ 3+⁽¹¹⁾ 4-⁽¹¹⁾ 4-⁽¹¹⁾ 4-⁽¹¹⁾ 3o⁽¹¹⁾ 26- 17 0.9

23 2-⁽¹¹⁾ 2o⁽¹¹⁾ 2o⁽¹¹⁾ 2o⁽¹¹⁾ 3-⁽¹¹⁾ 2+⁽¹¹⁾ 4+⁽¹¹⁾ 2-⁽¹¹⁾ 19- 11 0.6

24 2o⁽¹¹⁾ 1+⁽¹¹⁾ 1-⁽¹¹⁾ 2-⁽¹¹⁾ 1+⁽¹¹⁾ 1+⁽¹¹⁾ 1+⁽¹¹⁾ 1-⁽¹¹⁾ 10+ 5 0.2

25 0+⁽¹¹⁾ 1-⁽¹¹⁾ 0o⁽¹¹⁾ 1-⁽¹¹⁾ 1-⁽¹¹⁾ 0o⁽¹¹⁾


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⁾	4-⁽¹²⁾	3-⁽¹²⁾	3o⁽¹²⁾	2+⁽¹²⁾	2+⁽¹²⁾	2-⁽¹²⁾	2o⁽¹²⁾	22-	13	0.8
12	2-⁽¹²⁾	2o⁽¹²⁾	3o⁽¹²⁾	1o⁽¹²⁾	0+⁽¹²⁾	1o⁽¹²⁾	2o⁽¹²⁾	1o⁽¹²⁾	12o	6	0.3
13	3+⁽¹²⁾	3+⁽¹²⁾	2o⁽¹²⁾	3o⁽¹²⁾	3o⁽¹²⁾	2o⁽¹²⁾	3-⁽¹²⁾	1o⁽¹²⁾	20+	12	0.7
14	2+⁽¹²⁾	3+⁽¹²⁾	1+⁽¹²⁾	2o⁽¹²⁾	2-⁽¹²⁾	2o⁽¹²⁾	3-⁽¹²⁾	3-⁽¹²⁾	18o	10	0.5
15	2o⁽¹²⁾	1o⁽¹²⁾	1-⁽¹²⁾	3+⁽¹²⁾	2+⁽¹²⁾	3o⁽¹²⁾	3-⁽¹²⁾	2+⁽¹²⁾	17+	10	0.5
16	3o⁽¹²⁾	1o⁽¹²⁾	1+⁽¹²⁾	2+⁽¹²⁾	2-⁽¹²⁾	3+⁽¹²⁾	4o⁽¹²⁾	2o⁽¹²⁾	19-	11	0.7
17	1+⁽¹²⁾	1-⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	1-⁽¹²⁾	3-⁽¹²⁾	3o⁽¹²⁾	1+⁽¹²⁾	10+	6	0.3
18	2-⁽¹²⁾	2+⁽¹²⁾	2-⁽¹²⁾	1+⁽¹²⁾	0o⁽¹²⁾	1+⁽¹²⁾	1+⁽¹²⁾	0+⁽¹²⁾	10o	5	0.2
19	0o⁽¹²⁾	0o⁽¹²⁾	0o⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	0+⁽¹²⁾	1-⁽¹²⁾	2o	1	0.0
20	1+⁽¹²⁾	1-⁽¹²⁾	1-⁽¹²⁾	2+⁽¹²⁾	2o⁽¹²⁾	2+⁽¹²⁾	2+⁽¹²⁾	3+⁽¹²⁾	15o	8	0.4
21	4-⁽¹²⁾	4o⁽¹²⁾	2-⁽¹²⁾	2+⁽¹²⁾	2o⁽¹²⁾	3+⁽¹²⁾	4o⁽¹²⁾	5-⁽¹²⁾	26-	19	1.0
22	3-⁽¹¹⁾	3o⁽¹¹⁾	3-⁽¹¹⁾	3+⁽¹¹⁾	4-⁽¹¹⁾	4-⁽¹¹⁾	4-⁽¹¹⁾	3o⁽¹¹⁾	26-	17	0.9
23	2-⁽¹¹⁾	2o⁽¹¹⁾	2o⁽¹¹⁾	2o⁽¹¹⁾	3-⁽¹¹⁾	2+⁽¹¹⁾	4+⁽¹¹⁾	2-⁽¹¹⁾	19-	11	0.6
24	2o⁽¹¹⁾	1+⁽¹¹⁾	1-⁽¹¹⁾	2-⁽¹¹⁾	1+⁽¹¹⁾	1+⁽¹¹⁾	1+⁽¹¹⁾	1-⁽¹¹⁾	10+	5	0.2
25	0+⁽¹¹⁾	1-⁽¹¹⁾	0o⁽¹¹⁾	1-⁽¹¹⁾	1-⁽¹¹⁾	0o⁽¹¹⁾

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/