Viewing archive of Saturday, 28 February 2026 - 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 |
|---|---|---|---|---|
| 44 -9 | 0 -1 | C1.01 | C6.49 | 7 |
Sunspot regions
Region 14378 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 300 50 | EHO | N17E33 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 14379 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 30 20 | CAO | S17E38 | |
|
||||
Region 14380 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 120 10 | CAO | S22E51 | |
|
||||
Solar flares on this day | ||||
| C6.5 | ||||
Region 14381 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 200 50 | DAO | N07E61 | |
|
||||
Solar flares on this day | ||||
| C2.9 C2.2 C3.2 C4.7 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 87.5 +8.2 |
| Last 30 days | 98 +7.5 |
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