Sunspot number | New regions | Background flux | Maximum flux | C |
---|---|---|---|---|
78 -7 | 1 1 | B8.86 | C8.42 | 3 |
Region 13477 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
2 -3 | 160 -40 | CAO | S15W76 | |
Region 13481 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
1 | 10 | AXX | N25W64 | |
Region 13483 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
8 -8 | 290 50 | DKI | N10W65 | |
Region 13484 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
8 | 80 40 | CAI | S15W60 | |
Solar flares on this day | ||||
C8.4 C2.4 |
Region 13485 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
6 1 | 80 60 | DAI | S19W51 | |
Solar flares on this day | ||||
C1.8 |
Region 13486 |
||||
---|---|---|---|---|
Number of sunspots |
Size | Class Magn. | Class Spot | Location |
4 | 100 | DAO | S08W09 | |
Solar flares on this day | ||||
C1.6 |
All times in UTC
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Begin Time: 08/04/2025 05:53 UTC Estimated Velocity: 456km/sec.
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 06:02 UTC
A southern hemisphere coronal hole is facing Earth. Enhanced solar wind could arrive in ~3 days
Active geomagnetic conditions (Kp4) Threshold Reached: 20:39 UTC
The OVATION model predicts the Hemispheric Power Index to reach 51GW at 18:18 UTC
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/05 | M1.0 |
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 | 151.3 +17.1 |
Last 30 days | 135.2 -4.5 |