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 | 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 | 1999/11/19 | 8765 | 1280 | 35 | EKC | |
| 25 | 2000/05/16 | 8996 | 1280 | 45 | EKC |
Latest news
Sunday, 14 July 2024
X1.2 solar flare
Sunday, 23 June 2024
Old sunspot region 3664 returns with an M9.3 solar flare!
Monday, 10 June 2024
CME impact, X1.5 solar flare
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Space weather facts
| Last X-flare | 2024/07/16 | X2 |
| Last M-flare | 2024/07/27 | M3.1 |
| Last geomagnetic storm | 2024/06/28 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2024 | 164.2 -7.5 |
| July 2024 | 184 +19.8 |
| Last 30 days | 184.5 +32.9 |