Solar flares on April 23, 2025
The most powerful solar flare in 24 hours
C3.9 (normal) flare - April 23 at 2:55 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+00
List of solar flares for April 23, 2025
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:15 | 23:28 | 23:48 | 4070 |
| C1.7 | 22:57 | 23:08 | 23:15 | 4070 |
| C1.7 | 21:52 | 21:59 | 22:08 | 4064 |
| C1.7 | 20:21 | 20:29 | 20:36 | 4064 |
| C3.9 | 14:49 | 14:55 | 15:02 | 4064 |
| C2.8 | 14:38 | 14:44 | 14:49 | 4064 |
| C1.4 | 09:14 | 09:21 | 09:24 | 4070 |
| C2.0 | 02:29 | 02:34 | 02:41 | — |