Top 25 sunspot regions of 2023
On this page you will find an overview of the largest sunspot regions of the year 2023. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2023/07/02 | 3354 | 1150 | 22 | FKC | |
| 2 | 2023/01/18 | 3190 | 950 | 17 | EKI | |
| 3 | 2023/01/09 | 3182 | 950 | 30 | EKC | |
| 4 | 2023/02/28 | 3234 | 860 | 25 | FKC | |
| 5 | 2023/07/12 | 3363 | 850 | 24 | DKO | |
| 6 | 2023/05/28 | 3315 | 800 | 26 | EKC | |
| 7 | 2023/07/14 | 3372 | 770 | 11 | EKO | |
| 8 | 2023/01/11 | 3184 | 730 | 13 | EKC | |
| 9 | 2023/01/09 | 3181 | 700 | 35 | EKC | |
| 10 | 2023/11/25 | 3500 | 560 | 13 | DKC | |
| 11 | 2023/07/19 | 3373 | 550 | 24 | EKC | |
| 12 | 2023/04/16 | 3282 | 530 | 17 | EKI | |
| 13 | 2023/05/08 | 3297 | 510 | 21 | EKC | |
| 14 | 2023/01/13 | 3186 | 500 | 18 | EKI | |
| 15 | 2023/02/14 | 3226 | 480 | 26 | DKI | |
| 16 | 2023/05/24 | 3310 | 480 | 11 | CHO | |
| 17 | 2023/02/12 | 3213 | 480 | 25 | FKI | |
| 18 | 2023/12/14 | 3514 | 470 | 21 | EKC | |
| 19 | 2023/05/24 | 3311 | 470 | 39 | EAI | |
| 20 | 2023/10/31 | 3474 | 460 | 30 | DKI | |
| 21 | 2023/12/20 | 3529 | 450 | 6 | DKO | |
| 22 | 2023/03/08 | 3245 | 440 | 11 | DHI | |
| 23 | 2023/08/02 | 3380 | 430 | 10 | DKC | |
| 24 | 2023/01/18 | 3192 | 420 | 17 | FKI | |
| 25 | 2023/04/30 | 3288 | 420 | 19 | EHC |
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/21 | M1.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 100.9 -51.6 |
| Last 30 days | 116.1 -38.9 |