International Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

Nowcast data for August 2026

(Last update: 10:16:23 UTC, August 9, 2026)

Geomagnetic Planetary Indices

Kp three-hourly daily

1 2 3 4 5 6 7 8 Sum Ap Cp

1 1-⁽¹²⁾ 1-⁽¹²⁾ 1-⁽¹⁰⁾ 1-⁽¹⁰⁾ 1-⁽¹²⁾ 0+⁽¹²⁾ 0o⁽¹²⁾ 1o⁽¹²⁾ 5- 3 0.0

2 0+⁽¹²⁾ 1-⁽¹²⁾ 1+⁽¹²⁾ 1o⁽¹²⁾ 4o⁽¹²⁾ 6-⁽¹²⁾ 4-⁽¹²⁾ 2-⁽¹²⁾ 18+ 17 0.9

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

4 4+⁽¹²⁾ 2+⁽¹²⁾ 2+⁽¹²⁾ 2o⁽¹²⁾ 1-⁽¹²⁾ 1-⁽¹²⁾ 1-⁽¹²⁾ 1o⁽¹²⁾ 14o 9 0.5

5 0+⁽¹²⁾ 0+⁽¹²⁾ 1o⁽¹²⁾ 0o⁽¹²⁾ 0o⁽¹²⁾ 0o⁽¹²⁾ 0+⁽¹²⁾ 2-⁽¹²⁾ 4- 2 0.0

6 1+⁽¹²⁾ 1-⁽¹²⁾ 0o⁽¹²⁾ 0o⁽¹²⁾ 0o⁽¹²⁾ 0o⁽¹²⁾ 0+⁽¹²⁾ 0o⁽¹²⁾ 2+ 1 0.0

7 0o⁽¹²⁾ 0+⁽¹²⁾ 1o⁽¹²⁾ 1-⁽¹²⁾ 1+⁽¹²⁾ 0+⁽¹²⁾ 0o⁽¹²⁾ 0+⁽¹²⁾ 4o 2 0.0

8 1-⁽¹²⁾ 2-⁽¹²⁾ 2o⁽¹²⁾ 4o⁽¹²⁾ 6-⁽¹²⁾ 3+⁽¹²⁾ 6-⁽¹²⁾ 4o⁽¹²⁾ 27o 28 1.2

9 3-⁽¹²⁾ 2o⁽¹²⁾ 2-⁽¹²⁾ 1o⁽⁹⁾


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

1	1-⁽¹²⁾	1-⁽¹²⁾	1-⁽¹⁰⁾	1-⁽¹⁰⁾	1-⁽¹²⁾	0+⁽¹²⁾	0o⁽¹²⁾	1o⁽¹²⁾	5-	3	0.0
2	0+⁽¹²⁾	1-⁽¹²⁾	1+⁽¹²⁾	1o⁽¹²⁾	4o⁽¹²⁾	6-⁽¹²⁾	4-⁽¹²⁾	2-⁽¹²⁾	18+	17	0.9
3	4+⁽¹²⁾	4+⁽¹²⁾	3-⁽¹²⁾	3o⁽¹²⁾	3+⁽¹²⁾	2-⁽¹²⁾	3o⁽¹²⁾	4-⁽¹²⁾	26o	19	1.0
4	4+⁽¹²⁾	2+⁽¹²⁾	2+⁽¹²⁾	2o⁽¹²⁾	1-⁽¹²⁾	1-⁽¹²⁾	1-⁽¹²⁾	1o⁽¹²⁾	14o	9	0.5
5	0+⁽¹²⁾	0+⁽¹²⁾	1o⁽¹²⁾	0o⁽¹²⁾	0o⁽¹²⁾	0o⁽¹²⁾	0+⁽¹²⁾	2-⁽¹²⁾	4-	2	0.0
6	1+⁽¹²⁾	1-⁽¹²⁾	0o⁽¹²⁾	0o⁽¹²⁾	0o⁽¹²⁾	0o⁽¹²⁾	0+⁽¹²⁾	0o⁽¹²⁾	2+	1	0.0
7	0o⁽¹²⁾	0+⁽¹²⁾	1o⁽¹²⁾	1-⁽¹²⁾	1+⁽¹²⁾	0+⁽¹²⁾	0o⁽¹²⁾	0+⁽¹²⁾	4o	2	0.0
8	1-⁽¹²⁾	2-⁽¹²⁾	2o⁽¹²⁾	4o⁽¹²⁾	6-⁽¹²⁾	3+⁽¹²⁾	6-⁽¹²⁾	4o⁽¹²⁾	27o	28	1.2
9	3-⁽¹²⁾	2o⁽¹²⁾	2-⁽¹²⁾	1o⁽⁹⁾

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/