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.

Region Start Maximum End
1X28.02003/11/04048619:2919:5320:06 MovieView archive
2X20.02001/04/02939321:3221:5122:03 MovieView archive
3X17.22003/10/28048609:5111:1011:24 MovieView archive
4X17.02005/09/07080817:1717:4018:03 MovieView archive
5X14.42001/04/15941513:1913:5013:55 MovieView archive
6X10.02003/10/29048620:3720:4921:01 MovieView archive
7X9.41997/11/06810011:4911:5512:01 MovieView archive
8X9.02006/12/05093010:1810:3510:45 MovieView archive
9X8.32003/11/02048617:0317:2517:39 MovieView archive
10X7.12005/01/20072006:3607:0107:26 MovieView archive
11X6.52006/12/06093018:2918:4719:00 MovieView archive
12X6.22005/09/09080819:1320:0420:36 MovieView archive
13X6.22001/12/13973314:2014:3014:35 MovieView archive
14X5.72000/07/14907710:0310:2410:43 MovieView archive
15X5.62001/04/06941519:1019:2119:31 MovieView archive
16X5.42003/10/23048608:1908:3508:49 MovieView archive
17X5.42005/09/08080820:5221:0621:17 MovieView archive
18X5.32001/08/25959116:2316:4517:04 MovieView archive
19X4.91998/08/18830722:1022:1922:28View archive
20X4.82002/07/23003900:1800:3500:47 MovieView archive
21X4.02000/11/26923616:3416:4816:56 MovieView archive
22X3.91998/08/19830721:3521:4521:50View archive
23X3.92003/11/03048809:4309:5510:19 MovieView archive
24X3.82005/01/17072006:5909:5210:07 MovieView archive
25X3.71998/11/22838406:3006:4206:49 MovieView archive
26X3.62003/05/28036500:1700:2700:39 MovieView archive
27X3.62004/07/16064913:4913:5514:01 MovieView archive
28X3.62005/09/09080809:4209:5910:08 MovieView archive
29X3.42006/12/13093002:1402:4002:57 MovieView archive
30X3.42001/12/28976720:0220:4521:32 MovieView archive
31X3.31998/11/28839504:5405:5206:13 MovieView archive
32X3.32002/07/20003921:0421:3021:54 MovieView archive
33X3.12002/08/24006900:4901:1201:31 MovieView archive
34X3.02002/07/15003019:5920:0820:14 MovieView archive
35X2.81998/08/18830708:1408:2408:32View archive
36X2.82001/12/11973307:5808:0808:14 MovieView archive
37X2.71998/05/06821007:5808:0908:20 MovieView archive
38X2.72003/11/03048801:0901:3001:45 MovieView archive
39X2.62005/01/15072022:2523:0223:31 MovieView archive
40X2.61997/11/27811312:5913:1713:20 MovieView archive
41X2.62001/09/24963209:3210:3811:09 MovieView archive
42X2.51998/11/22838416:1016:2316:32 MovieView archive
43X2.52004/11/10069601:5902:1302:20 MovieView archive
44X2.32000/06/06902614:5815:2515:40 MovieView archive
45X2.32000/11/24923614:5115:1315:21 MovieView archive
46X2.32001/04/10941505:0605:2605:42 MovieView archive
47X2.21998/11/23838406:2806:4406:58 MovieView archive
48X2.11997/11/04810005:5205:5806:02 MovieView archive
49X2.12002/05/20996115:2115:2715:31 MovieView archive
50X2.12005/09/10080821:3022:1122:43 MovieView 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 30% 35%
Middle latitude 15% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
New Moon

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/11/08Kp6 (G2)
Number of spotless days in 2017:81
Current stretch spotless days:2

This day in history*

Solar flares
12013X1.0
22003M1.7
32000C9.1
42003C9.1
52003C8.8
ApG
1199422G1
2200120
3200214
4200312
5199912
*since 1994