
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 39 -5 | 0 -1 | B2.29 | B8.87 |
Region 12506 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -6 | 130 20 | DAI | S06W20 | |
Solar flares on this day | ||||
| B4.48 | ||||
Region 12508 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | N07W05 | |
Region 12509 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | BXO | N09E17 | |
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 +13.7 |