Solar flares on April 4, 2025
The most powerful solar flare in 24 hours
C5.7 (normal) flare - April 4 at 11:38 PM
Solar activity index
Value as of the end of the day on April 4, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 3, 2025 to April 4, 2025
Time zone — UTC+00
List of solar flares for April 4, 2025
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.7 | 23:24 | 23:38 | 23:54 | 4043 |
| C4.4 | 14:34 | 14:46 | 14:53 | 4052 |
| C2.2 | 13:24 | 13:28 | 13:32 | 4043 |
| C3.3 | 10:07 | 10:24 | 10:49 | 4043 |
| C1.8 | 07:27 | 07:34 | 07:37 | 4048 |