Top 25 sunspot regions of 2025
On this page you will find an overview of the largest sunspot regions of the year 2025. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2025/12/02 | 4294 | 1445 | 41 | FKC | |
| 2 | 2025/05/06 | 4079 | 1250 | 32 | EKC | |
| 3 | 2025/11/11 | 4274 | 1100 | 20 | EKC | |
| 4 | 2025/10/16 | 4246 | 840 | 30 | EKC | |
| 5 | 2025/04/13 | 4055 | 820 | 14 | EKC | |
| 6 | 2025/01/20 | 3961 | 800 | 70 | FKC | |
| 7 | 2025/08/29 | 4197 | 740 | 50 | EKC | |
| 8 | 2025/12/07 | 4296 | 680 | 12 | EKI | |
| 9 | 2025/01/18 | 3959 | 560 | 10 | EKO | |
| 10 | 2025/04/04 | 4048 | 530 | 32 | FKC | |
| 11 | 2025/12/28 | 4321 | 510 | 16 | DKC | |
| 12 | 2025/01/17 | 3964 | 475 | 17 | DKI | |
| 13 | 2025/05/30 | 4100 | 440 | 26 | EKI | |
| 14 | 2025/02/24 | 3998 | 430 | 34 | EKC | |
| 15 | 2025/08/03 | 4167 | 430 | 19 | DKI | |
| 16 | 2025/02/05 | 3981 | 430 | 32 | EKC | |
| 17 | 2025/08/27 | 4191 | 400 | 13 | EHI | |
| 18 | 2025/06/19 | 4114 | 400 | 32 | EKC | |
| 19 | 2025/09/04 | 4207 | 390 | 17 | FHI | |
| 20 | 2025/02/24 | 4006 | 380 | 10 | DHI | |
| 21 | 2025/10/17 | 4248 | 380 | 10 | EKI | |
| 22 | 2025/01/08 | 3947 | 370 | 12 | EKC | |
| 23 | 2025/02/18 | 3996 | 360 | 18 | EKI | |
| 24 | 2025/04/18 | 4064 | 350 | 9 | DKI | |
| 25 | 2025/01/03 | 3945 | 350 | 15 | DKI |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Feb 8-9 CMEs 20AR4366 998Do the high-resolution sunspot counts point to more complex sunspots? 53AR4362 19Space Weather Memes 792
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |