Solar flares on April 23, 2025
The most powerful solar flare in 24 hours
C3.9 (normal) flare - April 23 at 9:55 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+07 (Barnaul)
List of solar flares for April 23, 2025
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.9 | 21:49 | 21:55 | 22:02 | 4064 |
| C2.8 | 21:38 | 21:44 | 21:49 | 4064 |
| C1.4 | 16:14 | 16:21 | 16:24 | 4070 |
| C2.0 | 09:29 | 09:34 | 09:41 | — |
| C2.6 | 01:51 | 01:57 | 02:00 | 4062 |