| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/08/23 | 1 | 30 | HRX | S18E68 | |
| 2025/08/24 | 1 | 20 | HAX | S17E54 | |
| 2025/08/25 | 1 | 20 | HRX | S18E42 | |
| 2025/08/26 | 3 | 10 | AXX | S18E27 | |
| 2025/08/27 | 1 | 10 | AXX | S18E13 | |
| 2025/08/29 | 1 | 10 | AXX | S22W07 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.6 | 2025/08/28 | 00:06 | 00:17 | 00:26 | |
| 2 | C6.5 | 2025/08/29 | 00:17 | 00:28 | 00:38 | |
| 3 | C4.9 | 2025/08/30 | 10:27 | 10:37 | 10:39 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 84 +5.8 |
| Last 30 days | 84 +6.2 |