Solar flares on April 23, 2025
The most powerful solar flare in 24 hours
C3.9 (normal) flare - April 23 at 10:55 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-04 (Kitchener) — 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 | 22:31 | 22:37 | 22:39 | 4067 |
| C3.0 | 21:36 | 21:44 | 21:51 | 4070 |
| C3.8 | 20:20 | 20:28 | 20:34 | 4064 |
| C2.3 | 19:15 | 19:28 | 19:48 | 4070 |
| C1.7 | 18:57 | 19:08 | 19:15 | 4070 |
| C1.7 | 17:52 | 17:59 | 18:08 | 4064 |
| C1.7 | 16:21 | 16:29 | 16:36 | 4064 |
| C3.9 | 10:49 | 10:55 | 11:02 | 4064 |
| C2.8 | 10:38 | 10:44 | 10:49 | 4064 |
| C1.4 | 05:14 | 05:21 | 05:24 | 4070 |