Top 50 solar flares

On this page you will find an overview of the strongest solar flares since June 1996 together with links to more information in our archive and a video (if available) of the event. This page is updated daily.

RegionStartMaximumEnd
1X40+2003/11/04048619:2919:5320:06
2X28.57+2001/04/02939321:3221:5122:03
3X24.57+2003/10/28048609:5111:1011:24
4X24.42+2005/09/07080817:1717:4018:03
5X20.67+2001/04/15941513:1913:5013:55
6X14.362003/10/29048620:3720:4921:01
7X13.32017/09/06267311:5312:0212:10
8X12.971997/11/06810011:4911:5512:01
9X12.952006/12/05093010:1810:3510:45
10X11.962003/11/02048617:0317:2517:39
11X11.882017/09/10267315:3516:0616:31
12X10.182005/01/20072006:3607:0107:26
13X9.962011/08/09126307:4808:0508:08
14X9.42006/12/06093018:2918:4719:00
15X92024/10/03384212:0812:1812:27
16X8.92001/12/13973314:2014:3014:35
17X8.872005/09/09080819:1320:0420:36
18X8.792024/05/14366416:4616:5117:02
19X8.212000/07/14907710:0310:2410:43
20X8.082001/04/06941519:1019:2119:31
21X7.792012/03/07142900:0200:2400:40
22X7.772005/09/08080820:5221:0621:17
23X7.772003/10/23048608:1908:3508:49
24X7.72001/08/25959116:2316:4517:04
25X7.132014/02/25199000:3900:4901:03
26X7.12024/10/01384221:5822:2022:29
27X7.031998/08/18830722:1022:1922:28
28X6.982002/07/23003900:1800:3500:47
29X6.372024/02/22359022:0822:3422:43
30X5.892024/05/11366401:1001:2301:39
31X5.832000/11/26923616:3416:4816:56
32X5.612003/11/03048809:4309:5510:19
33X5.571998/08/19830721:3521:4521:50
34X5.522005/01/17072006:5909:5210:07
35X5.371998/11/22838406:3006:4206:49
36X5.242004/07/16064913:4913:5514:01
37X5.172005/09/09080809:4209:5910:08
38X5.172003/05/28036500:1700:2700:39
39X5.012023/12/31353621:3621:5522:08
40X4.992001/12/28976720:0220:4521:32
41X4.932013/11/05189022:0722:1222:15
42X4.882006/12/13093002:1402:4002:57
43X4.771998/11/28839504:5405:5206:13
44X4.742002/07/20003921:0421:3021:54
45X4.642013/05/14174800:0001:1101:20
46X4.582014/10/24219221:0721:4122:13
47X4.542024/09/14382515:1315:2915:47
48X4.542002/08/24006900:4901:1201:31
49X4.522024/05/06366305:3806:3506:47
50X4.392002/07/15003019:5920:0820:14
The maximum X-ray flux of the past two hours is:
C6.83

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Last X-flare2025/06/19X1.9
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