Viewing archive of Thursday, 4 June 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 |
|---|---|---|---|---|
| 157 16 | 0 | B9.48 | C3.16 | 8 |
Sunspot regions
Region 14446 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 130 | CSO | S14W88 | |
|
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Solar flares on this day | ||||
| C1.5 | ||||
Region 14455 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -3 | 325 -35 | DKI | N15W34 | |
|
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Solar flares on this day | ||||
| C1.5 | ||||
Region 14457 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 15 5 | CRO | S09W71 | |
|
||||
Solar flares on this day | ||||
| C2.7 C1.5 | ||||
Region 14458 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 2 | 130 30 | DAI | S05W21 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 14459 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 7 | 130 10 | DAI | N14E22 | |
|
||||
Region 14460 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 90 | DSO | S22W88 | |
|
||||
Region 14461 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 25 -25 | CRI | S21E46 | |
|
||||
Solar flares on this day | ||||
| C1.2 | ||||
Region 14462 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 6 | 40 -20 | DAO | N17E46 | |
|
||||
All times in UTC
Latest news
Thursday, 4 June 2026
G3 geomagnetic storm watch for 4 and 5 June
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Latest forum messages
CMEs from AR4455 181Incoming & Unnumbered Active Regions 453Space Weather Memes 841Current Farside Activity 617SWPC Display bug or other issues 46
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/03 | M7.9 |
| 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 |
| June 2026 | 144.3 +65 |
| Last 30 days | 99 +5.2 |
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