| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/06/23 | 3 | 10 | BXO | N06E04 | |
| 2025/06/24 | 5 | 10 | BXO | N06W11 | |
| 2025/06/25 | 12 | 60 | DAI | N06W23 | |
| 2025/06/26 | 14 | 90 | DAI | N07W37 | |
| 2025/06/27 | 4 | 50 | DAO | N07W50 | |
| 2025/06/28 | 3 | 50 | DSO | S06W65 | |
| 2025/06/29 | 2 | 50 | CSO | N05W79 | |
| 2025/06/30 | 2 | 50 | CSO | N06W93 | |
| 2025/07/01 | 2 | 50 | CSO | N06W0* |
| B | C |
|---|---|
| 1 | 4 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.3 | 2025/06/25 | 21:05 | 21:12 | 21:18 | |
| 2 | C1.2 | 2025/06/27 | 13:20 | 13:34 | 13:45 | |
| 3 | C1.1 | 2025/06/25 | 18:24 | 18:32 | 18:37 | |
| 4 | C1.0 | 2025/06/26 | 00:33 | 00:40 | 00:49 | |
| 5 | B8.8 | 2025/06/25 | 15:51 | 15:58 | 16:08 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/03 | M1.3 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 141 +55.1 |
| Last 30 days | 94.6 +27 |