
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 75 -33 | 0 | B4.14 | C7.15 | 4 |
Region 12087 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -1 | 130 -20 | DSO | S20W49 | |
Solar flares on this day | ||||
| C2.32 | ||||
Region 12089 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -5 | 120 -140 | DAO | N18W92 | |
Region 12090 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -20 | HSX | N25W38 | |
Region 12092 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 20 | CRO | S21W35 | |
Region 12093 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 3 | 60 10 | EAO | S10E21 | |
Solar flares on this day | ||||
| C2.28 C7.14 C1.43 | ||||
Region 12094 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 90 | HSX | S18E30 | |
Region 12095 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 50 40 | DAO | N05W84 | |
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |