
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 172 -2 | 0 | B5.57 | C2.78 | 3 |
Region 12021 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 29 15 | 320 | DKC | S13W44 | |
Solar flares on this day | ||||
| B8.32 C1.39 | ||||
Region 12022 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 10 | AXX | N17W31 | |
Region 12026 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 -3 | 390 160 | EKC | S11E11 | |
Solar flares on this day | ||||
| C2.37 C2.74 B7.53 B8.27 | ||||
Region 12027 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 150 40 | CAO | N11E17 | |
Region 12028 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 10 -10 | BXO | S09E23 | |
Region 12029 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 70 10 | DAO | N17E02 | |
Region 12030 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 8 | 100 50 | DAI | N11E30 | |
Solar flares on this day | ||||
| B7.02 | ||||
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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |