Viewing archive of Sunday, 31 May 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 |
|---|---|---|---|---|
| 110 -23 | 0 -2 | B6.88 | C3.14 | 13 |
Sunspot regions
Region 14444 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | HSX | S21W62 | |
|
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Region 14446 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 250 | CHO | S15W35 | |
|
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Solar flares on this day | ||||
| B9.7 B9.2 C1.5 | ||||
Region 14447 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 20 | HSX | S17W69 | |
|
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Solar flares on this day | ||||
| C3.1 | ||||
Region 14449 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 30 -10 | HSX | S09W30 | |
|
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Solar flares on this day | ||||
| C1.5 C1.2 C1.0 | ||||
Region 14452 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -5 | 30 -40 | DRI | N10W75 | |
|
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Solar flares on this day | ||||
| C1.2 C1.8 | ||||
Region 14454 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | S15E06 | |
|
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Region 14455 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -4 | 320 20 | CKO | N15E24 | |
|
||||
Solar flares on this day | ||||
| C1.1 C1.1 | ||||
Region 14456 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N14E42 | |
|
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Region 14457 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 20 | CRO | S10W14 | |
|
||||
Solar flares on this day | ||||
| C1.7 C1.8 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/07/04 | X1.3 |
| Last M-flare | 2026/07/12 | M1.19 |
| Last geomagnetic storm | 2026/07/04 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2026 | 94.4 -7.1 |
| July 2026 | 74.8 -19.6 |
| Last 30 days | 87 -20.2 |
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