| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/05/03 | 3 | 10 | BXO | N04E64 | |
| 2016/05/04 | 4 | 20 | CRO | N04E52 | |
| 2016/05/05 | 3 | 20 | CRO | N04E39 | |
| 2016/05/06 | 6 | 30 | DRO | N04E28 | |
| 2016/05/07 | 10 | 10 | BXI | N04E14 | |
| 2016/05/08 | 5 | 20 | CRO | N04W00 | |
| 2016/05/09 | 1 | 0 | AXX | N04W14 | |
| 2016/05/10 | 1 | 0 | AXX | N04W29 |
| B | C |
|---|---|
| 6 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.99 | 2016/05/07 | 17:04 | 17:13 | 17:24 | |
| 2 | C1.32 | 2016/05/09 | 05:11 | 05:23 | 05:34 | |
| 3 | B9.05 | 2016/05/04 | 01:03 | 01:22 | 01:35 | |
| 4 | B7.91 | 2016/05/03 | 08:10 | 08:17 | 08:44 | |
| 5 | B7.71 | 2016/05/07 | 06:35 | 06:40 | 06:47 | |
| 6 | B7.57 | 2016/05/06 | 12:28 | 12:32 | 12:37 | |
| 7 | B7.57 | 2016/05/08 | 02:25 | 02:30 | 02:38 | |
| 8 | B6.29 | 2016/05/06 | 10:04 | 10:10 | 10:24 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.3 +22.5 |
| Last 30 days | 109.4 +22.7 |