On this page you will find an overview of the largest sunspot regions since June 1996. This page is updated daily. Sunspot information comes from the NOAA SWPC.
Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
---|---|---|---|---|---|---|
1 | 2014/10/27 | 2192 | 2750 | 60 | FKC | |
2 | 2003/10/30 | 0486 | 2610 | 108 | FKC | |
3 | 2001/03/30 | 9393 | 2440 | 51 | FKI | |
4 | 2024/05/10 | 3664 | 2400 | 58 | FKC | |
5 | 2000/09/20 | 9169 | 2140 | 28 | FKC | |
6 | 2004/07/22 | 0652 | 2010 | 67 | FKC | |
7 | 2002/08/20 | 0069 | 1990 | 60 | EKC | |
8 | 2003/10/23 | 0484 | 1750 | 56 | EKC | |
9 | 2003/10/31 | 0488 | 1750 | 34 | FKC | |
10 | 2005/01/17 | 0720 | 1630 | 37 | EKC | |
11 | 2014/02/05 | 1967 | 1580 | 73 | FKC | |
12 | 2014/01/09 | 1944 | 1560 | 118 | FKC | |
13 | 2011/11/05 | 1339 | 1540 | 33 | FKC | |
14 | 2002/09/11 | 0105 | 1520 | 40 | FKI | |
15 | 2012/07/13 | 1520 | 1460 | 53 | FKC | |
16 | 1998/09/04 | 8323 | 1460 | 33 | FKC | |
17 | 2024/02/25 | 3590 | 1450 | 29 | FKC | |
18 | 2005/09/10 | 0808 | 1430 | 38 | FKC | |
19 | 2001/11/11 | 9690 | 1420 | 74 | FKC | |
20 | 1999/08/03 | 8651 | 1370 | 43 | FKI | |
21 | 2004/08/14 | 0656 | 1360 | 99 | FKC | |
22 | 2002/07/17 | 0030 | 1350 | 71 | FKC | |
23 | 2011/09/25 | 1302 | 1300 | 12 | FKC | |
24 | 2024/08/09 | 3780 | 1280 | 128 | FKC | |
25 | 1999/11/19 | 8765 | 1280 | 35 | EKC |
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Last X-flare | 2024/10/31 | X2.0 |
Last M-flare | 2024/11/04 | M3.6 |
Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
September 2024 | 141.4 -74.1 |
November 2024 | 224 +82.6 |
Last 30 days | 160.1 +6.2 |