International Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

Nowcast data for January 2026

(Last update: 07:13:23 UTC, January 28, 2026)

Geomagnetic Planetary Indices

Kp three-hourly daily

1 2 3 4 5 6 7 8 Sum Ap Cp

1 2o 3o 3- 2+⁽¹²⁾ 3+ 2+ 2+ 3- 21- 11 0.7

2 3o 4o 3+ 2+ 4- 3+ 5o 4+ 29o 24 1.1

3 3o 3o 2o 2o 3o 3- 2+ 1o 19o 10 0.6

4 0+ 0o 0o 1- 0+ 1o 2- 3o 7o 4 0.1

5 3+ 4o⁽¹²⁾ 5-⁽¹²⁾ 3-⁽¹²⁾ 3-⁽¹²⁾ 1-⁽¹²⁾ 0+⁽¹²⁾ 2-⁽¹²⁾ 20o 15 0.8

6 1o 0+ 1o 2o 2+ 0+ 0+ 0+ 8- 4 0.1

7 0+ 0+ 0o 0+ 1- 1- 2o 2+ 7- 4 0.1

8 4+ 3+ 4- 2o 1- 1- 2o 3o 20- 13 0.8

9 3+ 3+ 2+ 2o 1+ 2+ 3o 2- 19+ 11 0.6

10 2o 3o 3+ 3- 5- 3+ 6- 6o 31- 32 1.3

11 4+ 3o 3o 3- 4+ 5o 5o 4o⁽¹²⁾ 31+ 29 1.3

12 3o 4+ 4-⁽¹²⁾ 3- 1+⁽¹²⁾ 2o 3o 4+ 24+ 18 1.0

13 3+ 3o⁽¹²⁾ 2o 2o⁽¹²⁾ 0+ 1+ 3- 2o 17- 9 0.5

14 2-⁽¹²⁾ 2o 1- 1o 2o 1+ 2- 3o 13+ 7 0.3

15 3o 2o 3o 2+ 1+ 3- 3o 2+ 20- 11 0.6

16 3+ 4- 3+ 3- 3+ 5o 4o 5o 30+ 26 1.2

17 5o 4- 4o 3o 3o 4- 4o 4- 30o 25 1.2

18 3o⁽¹²⁾ 4- 3- 2o 2+ 3- 4- 3o 23o 14 0.8

19 4- 1o 0+ 1+⁽¹²⁾ 1+ 3o⁽¹²⁾ 8+ 9- 28- 74 1.8

20 7- 6- 8- 8- 7+ 7+ 7+ 8- 57+ 147 2.0

21 7+ 7o 7o 6+ 4+ 4o 3+ 3- 42o 75 1.8

22 4o 3o 2+ 2o 2o 2- 2o 5o 22o 16 0.9

23 4o⁽¹²⁾ 4-⁽¹²⁾ 4-⁽¹²⁾ 4+⁽¹²⁾ 3+⁽¹²⁾ 4+⁽¹²⁾ 4+⁽¹²⁾ 4o⁽¹²⁾ 32- 26 1.2

24 4+ 2- 2o 3- 3o 3o 4o 3o 24- 16 0.9

25 3+ 3+ 3o 3+ 3+ 3+ 2+ 2o 24o 15 0.9

26 2- 1o 2o 3- 3- 2o 3o 3+ 18+ 10 0.6

27 1+ 3- 1+ 2- 1o 2o 3- 3o 16- 8 0.4

28 3+ 4- 2-⁽¹⁰⁾


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

1	2o	3o	3-	2+⁽¹²⁾	3+	2+	2+	3-	21-	11	0.7
2	3o	4o	3+	2+	4-	3+	5o	4+	29o	24	1.1
3	3o	3o	2o	2o	3o	3-	2+	1o	19o	10	0.6
4	0+	0o	0o	1-	0+	1o	2-	3o	7o	4	0.1
5	3+	4o⁽¹²⁾	5-⁽¹²⁾	3-⁽¹²⁾	3-⁽¹²⁾	1-⁽¹²⁾	0+⁽¹²⁾	2-⁽¹²⁾	20o	15	0.8
6	1o	0+	1o	2o	2+	0+	0+	0+	8-	4	0.1
7	0+	0+	0o	0+	1-	1-	2o	2+	7-	4	0.1
8	4+	3+	4-	2o	1-	1-	2o	3o	20-	13	0.8
9	3+	3+	2+	2o	1+	2+	3o	2-	19+	11	0.6
10	2o	3o	3+	3-	5-	3+	6-	6o	31-	32	1.3
11	4+	3o	3o	3-	4+	5o	5o	4o⁽¹²⁾	31+	29	1.3
12	3o	4+	4-⁽¹²⁾	3-	1+⁽¹²⁾	2o	3o	4+	24+	18	1.0
13	3+	3o⁽¹²⁾	2o	2o⁽¹²⁾	0+	1+	3-	2o	17-	9	0.5
14	2-⁽¹²⁾	2o	1-	1o	2o	1+	2-	3o	13+	7	0.3
15	3o	2o	3o	2+	1+	3-	3o	2+	20-	11	0.6
16	3+	4-	3+	3-	3+	5o	4o	5o	30+	26	1.2
17	5o	4-	4o	3o	3o	4-	4o	4-	30o	25	1.2
18	3o⁽¹²⁾	4-	3-	2o	2+	3-	4-	3o	23o	14	0.8
19	4-	1o	0+	1+⁽¹²⁾	1+	3o⁽¹²⁾	8+	9-	28-	74	1.8
20	7-	6-	8-	8-	7+	7+	7+	8-	57+	147	2.0
21	7+	7o	7o	6+	4+	4o	3+	3-	42o	75	1.8
22	4o	3o	2+	2o	2o	2-	2o	5o	22o	16	0.9
23	4o⁽¹²⁾	4-⁽¹²⁾	4-⁽¹²⁾	4+⁽¹²⁾	3+⁽¹²⁾	4+⁽¹²⁾	4+⁽¹²⁾	4o⁽¹²⁾	32-	26	1.2
24	4+	2-	2o	3-	3o	3o	4o	3o	24-	16	0.9
25	3+	3+	3o	3+	3+	3+	2+	2o	24o	15	0.9
26	2-	1o	2o	3-	3-	2o	3o	3+	18+	10	0.6
27	1+	3-	1+	2-	1o	2o	3-	3o	16-	8	0.4
28	3+	4-	2-⁽¹⁰⁾

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/