Viewing archive of Thursday, 31 January 2019 - 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 |
|---|---|---|---|---|
| 0 -12 | 0 | A5.14 | C1.03 | 1 |
Sunspot regions
Region 12733 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 90 | CAO | N04W89 | |
|
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Solar flares on this day | ||||
| C1.03 B4.04 B1.85 B2.27 | ||||
All times in UTC
Currently there's no noteworthy space weather
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
AR 4055 96Incoming & Unnumbered Active Regions 16932025/04/12-13 Filament CMEs 2025/04/16 G2 Watch 28CME 21Unspecified geomagnetic activity 2252
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Latest alerts
07:09 UTC - Solar flare
Moderate M4.28 flare from sunspot region 4055
06:48 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.53)
06:24 UTC - Solar flare
Moderate M1.49 flare from sunspot region 4055
06:06 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.16)
04:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 04:29 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/14 | M4.2 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 132.1 -2.1 |
| Last 30 days | 132.4 -10.7 |