Viewing archive of Thursday, 18 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 |
|---|---|---|---|---|
| 46 -4 | 1 1 | B3.97 | C2 | 3 |
Sunspot regions
Region 14465 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 90 | CSO | N07W62 | |
|
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Solar flares on this day | ||||
| B8.6 B7.0 | ||||
Region 14470 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 70 -10 | DAO | N07E40 | |
|
||||
Solar flares on this day | ||||
| B6.5 C1.0 C1.8 | ||||
Region 14471 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | DAO | N18E11 | |
|
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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
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/20 | M1.0 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 102.1 +0.7 |
| Last 30 days | 109 +10.5 |
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