| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/06/06 | 3 | 20 | HAX | S08E30 | |
| 2004/06/07 | 9 | 20 | CSO | S08E17 | |
| 2004/06/08 | 10 | 50 | DAO | S08E04 | |
| 2004/06/09 | 10 | 60 | DAO | S08W09 | |
| 2004/06/10 | 6 | 30 | BXO | S09W22 |
| B |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.91 | 2004/06/05 | 21:18 | 21:23 | 21:27 | |
| 2 | B2.45 | 2004/06/06 | 11:25 | 11:29 | 11:32 | |
| 3 | B1.98 | 2004/06/06 | 12:59 | 13:03 | 13:07 |
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| Last X-flare | 2026/03/30 | X1.4 |
| 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 | 86.6 +8.4 |
| Last 30 days | 86.6 +11.2 |