Solar flares on April 23, 2025
The most powerful solar flare in 24 hours
C3.9 (normal) flare - April 23 at 3:55 PM
Solar activity index
Value as of the end of the day on April 23, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2025 to April 23, 2025
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for April 23, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 22:52 | 22:59 | 23:08 | 4064 |
| C1.7 | 21:21 | 21:29 | 21:36 | 4064 |
| C3.9 | 15:49 | 15:55 | 16:02 | 4064 |
| C2.8 | 15:38 | 15:44 | 15:49 | 4064 |
| C1.4 | 10:14 | 10:21 | 10:24 | 4070 |
| C2.0 | 03:29 | 03:34 | 03:41 | — |