
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 56 -17 | 0 -1 | B9.43 | C6.76 | 5 |
Region 12303 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 50 | DAO | N18W92 | |
Solar flares on this day | ||||
| C6.73 C3.49 C2.31 C5.92 | ||||
Region 12305 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -15 | 340 -70 | DHO | S10W36 | |
Solar flares on this day | ||||
| C2.14 | ||||
Region 12309 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 80 | DAO | N15W0* | |
Region 12313 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -20 | HRX | N17W01 | |
Region 12315 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 6 | 30 20 | DRO | S20W29 | |
Region 12316 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | BXO | S21E44 | |
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/20 | M1.0 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 118.5 +26.7 |
| Last 30 days | 108.7 +20.4 |