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 | 2003/10/23 | 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 | 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
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Monday, 2 June 2025
The CME did not disappoint! More storming activity to come?
Saturday, 31 May 2025
M8.2 solar flare, Strong G4 geomagnetic storm watch
Latest forum messages
AR4172 6Photographing auroras 108AR14168 82AR14168 CME M4.42 2025/08/05 13Incoming & Unnumbered Active Regions 1986
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/08/06 | M1.0 |
| Last geomagnetic storm | 2025/07/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2025 | 116.3 +37.1 |
| August 2025 | 117 +0.7 |
| Last 30 days | 122.8 +12.5 |