| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/03/12 | 3 | 150 | DSO | N12E63 | |
| 2012/03/13 | 2 | 80 | CSO | N11E50 | |
| 2012/03/14 | 4 | 90 | CSO | N12E37 | |
| 2012/03/15 | 9 | 110 | CSO | N13E23 | |
| 2012/03/16 | 11 | 120 | CSI | N12E09 | |
| 2012/03/17 | 11 | 100 | DSO | N13W04 | |
| 2012/03/18 | 6 | 60 | CSO | N13W17 | |
| 2012/03/19 | 1 | 60 | HSX | N08W29 | |
| 2012/03/20 | 4 | 70 | CSO | N11W45 | |
| 2012/03/21 | 2 | 30 | CRO | N11W56 | |
| 2012/03/22 | 1 | 20 | HSX | N09W69 | |
| 2012/03/23 | 1 | 10 | AXX | N09W81 |
| B | C |
|---|---|
| 1 | 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.75 | 2012/03/13 | 01:45 | 01:50 | 01:56 | |
| 2 | C1.36 | 2012/03/11 | 10:58 | 11:03 | 11:13 | |
| 3 | C1.31 | 2012/03/16 | 03:03 | 03:09 | 03:17 | |
| 4 | C1.25 | 2012/03/12 | 10:50 | 10:55 | 11:01 | |
| 5 | B7.81 | 2012/03/16 | 07:46 | 07:50 | 07:53 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/31 | M7.11 |
| Last geomagnetic storm | 2026/01/10 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 102.5 -21.5 |
| Last 30 days | 100.5 -9 |