
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 149 -42 | 0 | C4.09 | M4.19 | 7 | 5 |
Region 13869 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 | 200 | DSI | S18W0* | |
Region 13872 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 80 -40 | DAI | S15W90 | |
Solar flares on this day | ||||
| M4.19 | ||||
Region 13873 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -10 | AXX | S09W84 | |
Region 13878 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -11 | 140 -100 | DSO | N16W43 | |
Solar flares on this day | ||||
| C7.3 | ||||
Region 13879 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 440 -60 | HHX | N20W25 | |
Region 13881 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -1 | 180 -60 | DSO | S09W27 | |
Region 13883 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -8 | 270 10 | EKI | S06E26 | |
Solar flares on this day | ||||
| C7.8 C8.7 C8.0 M1.01 C6.6 M1.24 M2.92 C9.6 | ||||
Region 13884 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 60 10 | HSX | S06E36 | |
Region 13885 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 30 | CAO | S10W71 | |
Region 13886 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 12 | 250 100 | EKI | S06E48 | |
Solar flares on this day | ||||
| C7.2 | ||||
All times in UTC
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.3 -4.7 |
| Last 30 days | 120.3 +3.4 |