
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 156 36 | 0 -1 | B8.14 | C4.44 | 6 |
Region 12157 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -9 | 180 -40 | DAI | S15W63 | |
Solar flares on this day | ||||
| C4.41 | ||||
Region 12158 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -16 | 200 20 | DAI | N16W53 | |
Solar flares on this day | ||||
| C4.23 C1.21 C3.16 | ||||
Region 12161 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | CAO | S13W0* | |
Region 12163 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 -20 | HRX | S16W32 | |
Region 12164 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -1 | 90 50 | DAI | S14W13 | |
Region 12166 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 6 | 60 30 | DAO | N13E44 | |
Solar flares on this day | ||||
| C3.37 | ||||
Region 12167 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N07E50 | |
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |