Aurora & Space WeatherGeomagnetic history since 1932
G1+7,437days
G3+1,068days
G587days
G1+ days by year
By level
Rankings
By year
- 2026
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
- 1992
- 1991
- 1990
- 1989
- 1988
- 1987
- 1986
- 1985
- 1984
- 1983
- 1982
- 1981
- 1980
- 1979
- 1978
- 1977
- 1976
- 1975
- 1974
- 1973
- 1972
- 1971
- 1970
- 1969
- 1968
- 1967
- 1966
- 1965
- 1964
- 1963
- 1962
- 1961
- 1960
- 1959
- 1958
- 1957
- 1956
- 1955
- 1954
- 1953
- 1952
- 1951
- 1950
- 1949
- 1948
- 1947
- 1946
- 1945
- 1944
- 1943
- 1942
- 1941
- 1940
- 1939
- 1938
- 1937
- 1936
- 1935
- 1934
- 1933
- 1932
Latest G3+ days
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Jul 2026 | 7o | 73 | G3 |
| 22 Mar 2026 | 7o | 78 | G3 |
| 21 Mar 2026 | 7o | 43 | G3 |
| 21 Jan 2026 | 7+ | 72 | G3 |
| 20 Jan 2026 | 8- | 144 | G4 |
| 19 Jan 2026 | 9- | 73 | G5 |
| 3 Dec 2025 | 7- | 31 | G3 |
| 13 Nov 2025 | 7+ | 57 | G3 |
| 12 Nov 2025 | 9- | 137 | G5 |
| 6 Nov 2025 | 7- | 43 | G3 |
| 2 Oct 2025 | 7- | 45 | G3 |
| 30 Sep 2025 | 7o | 74 | G3 |
| 15 Sep 2025 | 7- | 48 | G3 |
| 13 Jun 2025 | 7- | 69 | G3 |
| 3 Jun 2025 | 7o | 60 | G3 |
| 2 Jun 2025 | 7o | 69 | G3 |
| 1 Jun 2025 | 8- | 98 | G4 |
| 16 Apr 2025 | 8- | 75 | G4 |
| 1 Jan 2025 | 8o | 81 | G4 |
| 11 Oct 2024 | 8+ | 116 | G4 |
| 10 Oct 2024 | 9- | 97 | G5 |
| 8 Oct 2024 | 7o | 54 | G3 |
| 17 Sep 2024 | 7+ | 71 | G3 |
| 12 Sep 2024 | 7o | 71 | G3 |
| 12 Aug 2024 | 8o | 127 | G4 |
| 4 Aug 2024 | 7o | 49 | G3 |
| 28 Jun 2024 | 8- | 60 | G4 |
| 12 May 2024 | 7o | 53 | G3 |
| 11 May 2024 | 9o | 271 | G5 |
| 10 May 2024 | 9- | 105 | G5 |
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Kp and Ap for 34,615 days from January 1932 to 8 Oct 2026, by year, month, storm level and ranking.