Top 50 solar flares of the year 2017

On this page you will find an overview of the strongest solar flares of the year 2017 together with links to more information in our archive and a video (if available) of the event.

Region Start Maximum End
1X9.32017/09/06267311:5312:0212:10View archive
2X8.22017/09/10267315:3516:0616:31View archive
3X2.22017/09/06267308:5709:1009:17View archive
4X1.32017/09/07267314:2014:3614:55View archive
5M8.12017/09/08267307:4007:4907:58View archive
6M7.32017/09/07267310:1110:1510:18View archive
7M5.82017/04/03264414:1914:2914:34View archive
8M5.72017/04/02264420:2620:3320:38View archive
9M5.52017/09/04267320:2820:3320:37View archive
10M5.32017/04/02264407:5008:0208:13View archive
11M4.42017/04/01264421:3521:4822:05View archive
12M4.22017/09/05267301:0301:0801:11View archive
13M3.92017/09/07267323:5023:5900:14View archive
14M3.82017/09/05267306:3306:4006:43View archive
15M3.72017/09/09267310:5011:0411:42View archive
16M3.22017/09/05267304:3304:5305:07View archive
17M2.92017/09/08267315:0915:4716:04View archive
18M2.52017/09/06267315:5115:5616:03View archive
19M2.42017/07/14266501:0702:0903:24View archive
20M2.42017/09/07267304:5905:0205:08View archive
21M2.32017/09/05267317:3717:4317:51View archive
22M2.32017/04/02264412:5213:0013:11View archive
23M2.12017/09/08267323:3323:4523:56View archive
24M2.12017/09/04267322:1022:1422:19View archive
25M2.12017/04/02264418:1818:3819:28View archive
26M1.72017/09/04267318:4619:3719:52View archive
27M1.52017/09/04267315:1115:3015:33View archive
28M1.52017/09/04267319:5920:0220:06View archive
29M1.42017/09/07267309:4909:5409:58View archive
30M1.42017/09/06267319:2119:3019:35View archive
31M1.32017/09/08267302:1902:2402:29View archive
32M1.32017/07/03-15:3716:1516:18View archive
33M1.32017/07/09266503:0903:1803:37View archive
34M1.22017/09/08267303:3903:4303:45View archive
35M1.22017/04/03264400:5601:0501:12View archive
36M1.22017/09/04267305:3605:4906:05View archive
37M1.22017/09/06267323:3323:3923:44View archive
38M1.12017/08/20-01:3601:5202:03View archive
39M1.12017/09/09267322:0423:5300:41View archive
40M1.12017/09/09267304:1404:2804:43View archive
41M1.02017/09/04267318:0518:2218:31View archive
42M1.02017/09/05267303:4203:5104:04View archive
43C9.82017/09/05267300:3000:3500:41View archive
44C9.42017/08/20267219:2019:3919:49View archive
45C9.32017/01/21262807:1407:2607:29View archive
46C9.02017/09/10267302:4003:0903:25View archive
47C8.42017/07/13-20:0120:0520:11View archive
48C8.32017/09/04267312:1212:2512:33View archive
49C8.32017/09/08-05:3105:4805:53View archive
50C8.22017/09/07267306:1906:2806:42View 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 25% 50%
Middle latitude 15% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 15%
X-class solar flare 1%
B5.7
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/09/09M1.1
Last geomagnetic storm:2017/09/18Kp5 (G1)
Number of spotless days in 2017:56
Last spotless day:2017/08/01

This day in history*

Solar flares
12001M7.6
22011M7.4
32011M4.4
42011M3.7
52000M3.4
ApG
11998117G4
2200133G3
3200328
4201622
5200019
*since 1994