Top 25 sunspot regions
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 | 2003/10/31 | 0488 | 1750 | 34 | FKC | |
| 9 | 2003/10/23 | 0484 | 1750 | 56 | EKC | |
| 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 | 1998/09/04 | 8323 | 1460 | 33 | FKC | |
| 16 | 2012/07/13 | 1520 | 1460 | 53 | FKC | |
| 17 | 2024/02/25 | 3590 | 1450 | 29 | FKC | |
| 18 | 2025/12/02 | 4294 | 1445 | 41 | FKC | |
| 19 | 2005/09/10 | 0808 | 1430 | 38 | FKC | |
| 20 | 2001/11/11 | 9690 | 1420 | 74 | FKC | |
| 21 | 1999/08/03 | 8651 | 1370 | 43 | FKI | |
| 22 | 2004/08/14 | 0656 | 1360 | 99 | FKC | |
| 23 | 2002/07/17 | 0030 | 1350 | 71 | FKC | |
| 24 | 2011/09/25 | 1302 | 1300 | 12 | FKC | |
| 25 | 2000/05/16 | 8996 | 1280 | 45 | EKC |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| December 2025 | 186 +71.4 |
| Last 30 days | 106.3 +12.6 |