Viewing archive of Sunday, 28 September 2025 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 131 -41 | 1 -2 | C1.67 | C9.97 | 17 | 1 |
Sunspot regions
Region 14224 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 | DSO | S14W0* | |
|
||||
Region 14225 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -20 | HSX | N09W78 | |
|
||||
Region 14226 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 130 40 | CAO | S11W35 | |
|
||||
Region 14227 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 30 | CAO | S17W41 | |
|
||||
Region 14228 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | N05W26 | |
|
||||
Region 14229 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | DSO | S04W0* | |
|
||||
Region 14230 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -5 | 70 -20 | EAO | S11W10 | |
|
||||
Region 14231 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | S07W96 | |
|
||||
Region 14232 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 4 | 180 90 | DSO | N04E48 | |
|
||||
Solar flares on this day | ||||
| M6.4 C3.0 C3.7 C7.4 | ||||
Region 14233 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -1 | 60 50 | DAO | N18E50 | |
|
||||
Solar flares on this day | ||||
| C2.8 C2.3 C3.6 C3.2 C9.1 C9.97 C3.6 C9.7 C6.3 C5.8 | ||||
Region 14234 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 10 | AXX | S23E05 | |
|
||||
Region 14235 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 10 | CSO | N30E51 | |
|
||||
Solar flares on this day | ||||
| C5.5 | ||||
Region 14236 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 30 | DAI | N11E42 | |
|
||||
Solar flares on this day | ||||
| C3.0 | ||||
All times in UTC
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Space weather facts
| 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 |
| Last 30 days | 119.2 +2.7 |