Solar flares on April 25, 2025
The most powerful solar flare in 24 hours
C3.0 (normal) flare - April 25 at 6:05 AM
Solar activity index
Value as of the end of the day on April 25, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 24, 2025 to April 25, 2025
Time zone — UTC+02 (Budapest) — summer time
List of solar flares for April 25, 2025
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 21:54 | 22:03 | 22:12 | 4073 |
| C1.4 | 15:24 | 15:33 | 15:52 | 4073 |
| C1.2 | 13:27 | 13:34 | 13:45 | 4077 |
| C3.0 | 05:57 | 06:05 | 06:09 | 4077 |