| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/01/21 | 1 | 50 | HAX | S20E77 | |
| 2003/01/22 | 5 | 120 | CAO | S20E64 | |
| 2003/01/23 | 10 | 150 | EAO | S20E51 | |
| 2003/01/24 | 9 | 110 | EAO | S20E43 | |
| 2003/01/25 | 11 | 130 | EAO | S19E31 | |
| 2003/01/26 | 13 | 100 | EAO | S20E16 | |
| 2003/01/27 | 12 | 70 | ESO | S20E03 | |
| 2003/01/28 | 7 | 30 | CSO | S19W13 | |
| 2003/01/29 | 2 | 20 | HSX | S19W28 | |
| 2003/01/30 | 3 | 20 | HSX | S19W37 | |
| 2003/01/31 | 9 | 20 | BXO | S17W52 | |
| 2003/02/01 | 1 | 0 | AXX | S16W66 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.26 | 2003/01/20 | 21:43 | 21:46 | 21:49 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 80.2 +2 |
| Last 30 days | 77.8 -4.5 |