Solar flares on April 9, 2025
The most powerful solar flare in 24 hours
C9.0 (normal) flare - April 9 at 5:30 PM
Solar activity index
Value as of the end of the day on April 9, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 8, 2025 to April 9, 2025
Time zone — UTC+00
List of solar flares for April 9, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.0 | 17:22 | 17:30 | 17:37 | 4055 |
| C2.1 | 14:56 | 15:05 | 15:10 | — |
| C2.7 | 12:16 | 12:31 | 12:44 | 4055 |
| C2.2 | 10:53 | 11:03 | 11:15 | 4055 |
| C2.5 | 09:33 | 09:49 | 10:02 | 4055 |
| C2.2 | 08:32 | 08:45 | 08:57 | — |
| C3.3 | 05:16 | 05:27 | 05:34 | 4048 |
| C3.8 | 01:31 | 01:43 | 01:53 | — |
| C1.9 | 01:02 | 01:09 | 01:17 | 4048 |