Solar Cycle 23 - Top 50 solar flares

On this page you will find an overview of the strongest solar flares from Solar Cycle 23 together with links to more information in our archive and a video (if available) of the event. This page is updated daily.

RegionStartMaximumEnd
1X28+2003/11/04048619:2919:5320:06
2X20+2001/04/02939321:3221:5122:03
3X17.2+2003/10/28048609:5111:1011:24
4X17+2005/09/07080817:1717:4018:03
5X14.42001/04/15941513:1913:5013:55
6X102003/10/29048620:3720:4921:01
7X9.41997/11/06810011:4911:5512:01
8X92006/12/05093010:1810:3510:45
9X8.32003/11/02048617:0317:2517:39
10X7.12005/01/20072006:3607:0107:26
11X6.52006/12/06093018:2918:4719:00
12X6.22005/09/09080819:1320:0420:36
13X6.22001/12/13973314:2014:3014:35
14X5.72000/07/14907710:0310:2410:43
15X5.62001/04/06941519:1019:2119:31
16X5.42003/10/23048608:1908:3508:49
17X5.42005/09/08080820:5221:0621:17
18X5.32001/08/25959116:2316:4517:04
19X4.91998/08/18830722:1022:1922:28
20X4.82002/07/23003900:1800:3500:47
21X42000/11/26923616:3416:4816:56
22X3.91998/08/19830721:3521:4521:50
23X3.92003/11/03048809:4309:5510:19
24X3.82005/01/17072006:5909:5210:07
25X3.71998/11/22838406:3006:4206:49
26X3.62003/05/28036500:1700:2700:39
27X3.62004/07/16064913:4913:5514:01
28X3.62005/09/09080809:4209:5910:08
29X3.42006/12/13093002:1402:4002:57
30X3.42001/12/28976720:0220:4521:32
31X3.31998/11/28839504:5405:5206:13
32X3.32002/07/20003921:0421:3021:54
33X3.12002/08/24006900:4901:1201:31
34X32002/07/15003019:5920:0820:14
35X2.81998/08/18830708:1408:2408:32
36X2.82001/12/11973307:5808:0808:14
37X2.71998/05/06821007:5808:0908:20
38X2.72003/11/03048801:0901:3001:45
39X2.62005/01/15072022:2523:0223:31
40X2.61997/11/27811312:5913:1713:20
41X2.62001/09/24963209:3210:3811:09
42X2.51998/11/22838416:1016:2316:32
43X2.52004/11/10069601:5902:1302:20
44X2.32000/06/06902614:5815:2515:40
45X2.32000/11/24923614:5115:1315:21
46X2.32001/04/10941505:0605:2605:42
47X2.21998/11/23838406:2806:4406:58
48X2.11997/11/04810005:5205:5806:02
49X2.12002/05/20996115:2115:2715:31
50X2.12005/09/10080821:3022:1122:43

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

0%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2020:10
Current stretch spotless days:8

This day in history*

Solar flares
12005M4.6
22000M3.9
31999M2.0
42012M1.7
52005M1.6
ApG
1200584G4
2199537G2
3199424G1
4200718
5200418
*since 1994

Social networks