Solar flares on April 23, 2025
The most powerful solar flare in 24 hours
C3.9 (normal) flare - April 23 at 9:55 AM
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-05 (Topeka) — summer time
List of solar flares for April 23, 2025
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 21:31 | 21:37 | 21:39 | 4067 |
| C3.0 | 20:36 | 20:44 | 20:51 | 4070 |
| C3.8 | 19:20 | 19:28 | 19:34 | 4064 |
| C2.3 | 18:15 | 18:28 | 18:48 | 4070 |
| C1.7 | 17:57 | 18:08 | 18:15 | 4070 |
| C1.7 | 16:52 | 16:59 | 17:08 | 4064 |
| C1.7 | 15:21 | 15:29 | 15:36 | 4064 |
| C3.9 | 09:49 | 09:55 | 10:02 | 4064 |
| C2.8 | 09:38 | 09:44 | 09:49 | 4064 |
| C1.4 | 04:14 | 04:21 | 04:24 | 4070 |