| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/06/02 | 3 | 70 | DAO | S20E72 | |
| 2026/06/03 | 4 | 50 | CAI | S22E56 | |
| 2026/06/04 | 8 | 25 | CRI | S21E46 |
| C | M |
|---|---|
| 5 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.2 | 2026/06/02 | 04:42 | 04:45 | 04:47 | |
| 2 | C4.3 | 2026/06/02 | 10:57 | 11:02 | 11:05 | |
| 3 | C2.3 | 2026/06/02 | 13:53 | 13:58 | 14:01 | |
| 4 | C1.5 | 2026/05/31 | 17:56 | 18:10 | 18:28 | |
| 5 | C1.2 | 2026/06/04 | 06:16 | 06:23 | 06:30 | |
| 6 | C1.1 | 2026/06/02 | 07:50 | 07:55 | 07:59 |
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| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/03 | M7.9 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| June 2026 | 140 +60.7 |
| Last 30 days | 97 +3.2 |