| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/01/15 | 3 | 20 | CRO | S22W05 | |
| 2021/01/16 | 5 | 10 | BXO | S21W18 | |
| 2021/01/17 | 1 | 10 | AXX | S21W31 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.8 | 2021/01/17 | 13:18 | 13:28 | 13:35 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 75.5 -37.1 |
| Last 30 days | 61.4 -62.2 |