Top 50 geomagnetic storms

On this page you will find an overview of the strongest geomagnetic storms since January 1994 together with links to more information in our archive. The Kp-values on this page are the official, finalized Kp-values from the GFZ in Potsdam, Germany. The Ap-index provides a daily geomagnetic activity average. This page is updated daily. Times are in UTC.

Ap 00-03h 03-06h 06-09h 09-12h 12-15h 15-18h 18-21h 21-00h Kp max
12003/10/292045-4988-8-9-9-9View archive
22001/03/311927-9-9-6+788+7+9-View archive
32003/10/301919-7+5+5-57999View archive
42004/07/271868+8-7+89-8+6+69-View archive
52000/07/1516434-5-4+89-99-9View archive
62004/11/101618-8+9-8+7+6+5+4+9-View archive
72004/07/2515477+6+8-7+87+7+8View archive
82003/11/2015014-6+6+8-9-9-89-View archive
91998/08/27144888-7-7-7-76+8View archive
102001/11/061429-9-755+7-6+6+9-View archive
112004/11/081409-9-8+753-4+5+9-View archive
122000/08/1212357+8-8-7+7+6+4-8-View archive
132004/11/091196-65677-9-79-View archive
141998/09/251178-88+76+6-3-2+8+View archive
152003/10/311168+8-7+7-7+5-44+8+View archive
162000/10/051165+7-8-7+8-7-6+58-View archive
172003/05/2910944-4-378-8+8+8+View archive
182015/03/1710825-6-5+8-8-7+8-8-View archive
192003/08/181086-6+77-77+6+67+View archive
202001/11/241043+5+8+78-7+35-8+View archive
212005/08/241023-3+6+9-7+7-6+4+9-View archive
222005/09/111016+78-6+75+65-8-View archive
231998/05/0410169-8+6-64-2+39-View archive
241995/04/0710046-65+787+68
251994/04/171007-8+8+75-333+8+
262001/10/229675-4-667+777+View archive
271994/02/21952+3-3+7+8-8-678-
282006/12/15948+8-7-6-6444-8+View archive
292000/05/249388-66-5564+8View archive
301994/04/03926-6+7-66-5+7-7+7+
312005/05/089165+4-68+8-5+4-8+View archive
321999/10/229178-85+5-4+6-3+8View archive
332005/05/309043+6+6+7+8-7-5-8-View archive
341994/10/03886+776-7-66-4-7
352012/03/09875-6+87+7-6-32+8View archive
362005/05/15876-6-8+8-44558+View archive
372001/04/118532+224-88-8+8+View archive
382005/01/188476-8-6-5+5+56-8-View archive
392000/04/06822-4+3-2+3+7-8+8+8+View archive
401999/02/18805-67-7-7-5+657-View archive
412012/07/15784+5+7-65+6767View archive
422002/05/23783-3-27-8-8+53+8+View archive
432005/09/12755-4+76-5-6677View archive
441998/11/09755-6-7-6+65+7-5-7-View archive
452015/10/07744-66-556+7+67+View archive
462001/03/20745-6-66-7+74+4-7+View archive
472000/04/07749-66444+4-4-9-View archive
482015/06/237278-6+5+6-3-4-3+8-View archive
492013/03/177222+7-6+6-6+7-67-View archive
502016/05/08706-6+65-5+6-6-6+6+View archive
Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 15% 10%
Middle latitude 1% 1%
Predicted Kp max 2
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/04/03M5.8
Last geomagnetic storm:2017/04/23Kp6 (G2)
Number of spotless days in 2017:30
Last spotless day:2017/04/17

This day in history*

Solar flares
11998M6.8
21999M1.1
32003M1.1
42013C5.9
52002C4.8
ApG
1200327G2
2199924G1
3200721G1
4200113
5201112G1
*since 1994