Top 50 geomagnetic storms of 2018

On this page you will find an overview of the strongest geomagnetic storms of 2018 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 00-03h03-06h06-09h09-12h12-15h15-18h18-21h21-00hKp max
12018/08/266757-7+5-5-6537+View archive
22018/04/20433+466-4+55+3+6View archive
32018/09/11354-566-334-2+6View archive
42018/11/05324+6-55-3+3+4-2+6-View archive
52018/09/22275-4+4-44+3-44-5-View archive
62018/05/06266-43+3-32+4+4+6-View archive
72018/08/27251+2+3-4-4-6-53-6-View archive
82018/10/07240+1-12+4-5+5+5-5+View archive
92018/06/012334-5-4+5-4-2+2+5-View archive
102018/05/05231-1-0+3-45-4+6-6-View archive
112018/12/2822444+34-33+3+4+View archive
122018/03/18223-2+1-13+4-4+66View archive
132018/09/10200+0+1-2+3-54+55View archive
142018/06/26205-4-3-4-4-33+25-View archive
152018/10/081944+4-24+4-22-4+View archive
162018/06/23182+3+2-4433+4-4View archive
172018/03/161834+3-2+3434-4+View archive
182018/02/271845+2-24+2+1+15+View archive
192018/09/1317443333+2-34View archive
202018/07/24174-33+3-233+44View archive
212018/07/05172+10+24-4+5-4-5-View archive
222018/04/10172443-3+32+4-4View archive
232018/11/041611-1-1-13-5-5+5+View archive
242018/10/091633-34-34-3-34-View archive
252018/06/181643+4-3+32+2+24View archive
262018/06/02163-43-23-2+44-4View archive
272018/05/07164-432-33+2+3+4View archive
282018/03/25163+4-33+23-2+44View archive
292018/02/1916442+2-3-243-4View archive
302018/10/10153+12-23+35-3-5-View archive
312018/03/2315431+322-4-4-4View archive
322018/03/151542+2-3-2-3+3+4-4View archive
332018/02/23152-4-34+1+23+3-4+View archive
342018/09/14144+42+222-3-34+View archive
352018/08/20144-3+2-23-342+4View archive
362018/05/111423+4-2-324-3+4-View archive
372018/05/09143+3-2+2-2+2+44-4View archive
382018/05/08143-32+3-3-4-4-24-View archive
392018/03/19144+4-312-22+34+View archive
402018/03/17144+32+2-2+2-2+4-4+View archive
412018/11/101322-24+21+4-3+4+View archive
422018/10/131312+1+0+2-4+43+4+View archive
432018/08/1513212-3-4333+4View archive
442018/02/1813422+234-2+2+4View archive
452018/01/14135-421+2-2125-View archive
462018/08/25121-122+3-2-4-4+4+View archive
472018/08/1712342+210+3+3+4View archive
482018/06/251211-1-2-3-2355View archive
492018/05/31121+1+1-1+2-4-4+34+View archive
502018/04/211233-3-22+3+31+3+View archive

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:186
Current stretch spotless days:16

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