Solar Cycle 25 - Top 25 sunspot regions
On this page you will find an overview of the largest sunspot regions from Solar Cycle 25. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2024/05/10 | 3664 | 2400 | 58 | FKC | |
| 2 | 2024/02/25 | 3590 | 1450 | 29 | FKC | |
| 3 | 2024/08/09 | 3780 | 1280 | 128 | FKC | |
| 4 | 2025/05/06 | 4079 | 1250 | 32 | EKC | |
| 5 | 2022/05/20 | 3014 | 1190 | 12 | DKC | |
| 6 | 2024/06/19 | 3712 | 1160 | 21 | EKC | |
| 7 | 2024/10/04 | 3842 | 1150 | 28 | EKC | |
| 8 | 2023/07/02 | 3354 | 1150 | 22 | FKC | |
| 9 | 2024/03/26 | 3615 | 1140 | 53 | FKC | |
| 10 | 2024/07/14 | 3738 | 1140 | 40 | FKC | |
| 11 | 2022/12/04 | 3153 | 1080 | 13 | FKO | |
| 12 | 2020/11/25 | 2786 | 1000 | 6 | CKO | |
| 13 | 2024/10/05 | 3848 | 980 | 14 | DKC | |
| 14 | 2022/07/11 | 3055 | 960 | 25 | EKC | |
| 15 | 2023/01/09 | 3182 | 950 | 30 | EKC | |
| 16 | 2024/06/21 | 3713 | 950 | 24 | EKC | |
| 17 | 2023/01/18 | 3190 | 950 | 17 | EKI | |
| 18 | 2022/04/19 | 2994 | 930 | 7 | EKO | |
| 19 | 2024/10/04 | 3844 | 930 | 19 | EKC | |
| 20 | 2022/09/15 | 3098 | 880 | 14 | EHC | |
| 21 | 2023/02/28 | 3234 | 860 | 25 | FKC | |
| 22 | 2023/07/12 | 3363 | 850 | 24 | DKO | |
| 23 | 2025/04/13 | 4055 | 820 | 14 | EKC | |
| 24 | 2023/05/28 | 3315 | 800 | 26 | EKC | |
| 25 | 2025/01/20 | 3961 | 800 | 70 | FKC |
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/09/19 | M1.5 |
| Last geomagnetic storm | 2025/09/16 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2025 | 133.5 +7.9 |
| September 2025 | 116.6 -16.9 |
| Last 30 days | 133.6 +12 |