| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/08/22 | 4 | 40 | DSO | N12E48 | |
| 2003/08/23 | 7 | 30 | DSO | N12E33 | |
| 2003/08/24 | 17 | 80 | DSO | N11E19 | |
| 2003/08/25 | 24 | 100 | DAO | N12E06 | |
| 2003/08/26 | 23 | 80 | DSI | N12W07 | |
| 2003/08/27 | 24 | 140 | DAI | N12W20 | |
| 2003/08/28 | 13 | 100 | DAO | N13W33 | |
| 2003/08/29 | 11 | 40 | DAO | N14W47 | |
| 2003/08/30 | 1 | 20 | HRX | N12W63 | |
| 2003/08/31 | 1 | 20 | AXX | N15W80 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.92 | 2003/08/23 | 00:11 | 00:16 | 00:19 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.1 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| 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 | 88.4 +2.5 |
| Last 30 days | 90 +1.5 |