Viewing archive of Friday, 31 May 2024 - 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 | X |
|---|---|---|---|---|---|---|
| 135 -9 | 1 | C1.57 | X1.18 | 15 | 1 | 1 |
Sunspot regions
Region 13690 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 20 -10 | HRX | N17W32 | |
|
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Region 13691 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -6 | 280 -20 | DKC | N25W18 | |
|
||||
Solar flares on this day | ||||
| C2.2 C5.3 C3.6 | ||||
Region 13692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | S08W67 | |
|
||||
Region 13693 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 10 -20 | HAX | N04W32 | |
|
||||
Region 13695 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -6 | 10 | BXO | N27W05 | |
|
||||
Solar flares on this day | ||||
| C7.9 | ||||
Region 13697 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 4 | 380 -40 | EKI | S18E35 | |
|
||||
Solar flares on this day | ||||
| C2.8 C9.7 C2.2 M1.0 C3.4 C3.5 X1.18 | ||||
Region 13698 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 6 | 50 | CSI | N22E24 | |
|
||||
Solar flares on this day | ||||
| C7.4 C2.6 C2.7 C2.5 C2.6 C2.6 C5.5 | ||||
Region 13699 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 50 | CAO | N04W06 | |
|
||||
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 | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.6 -4.4 |
| Last 30 days | 122 +9.1 |