Solar flares on April 9, 2023
The most powerful solar flare in 24 hours
C9.0 (normal) flare - April 9 at 7:08 AM
Solar activity index
Value as of the end of the day on April 9, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 8, 2023 to April 9, 2023
Time zone — UTC+01 (London) — summer time
List of solar flares for April 9, 2023
The total number of solar flares of class C and higher — 16 flares
C class — 16 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 22:28 | 22:34 | 22:38 | — |
| C2.7 | 22:01 | 22:19 | 22:28 | — |
| C1.5 | 21:32 | 21:39 | 21:52 | 3272 |
| C2.0 | 20:16 | 20:23 | 20:29 | 3273 |
| C3.7 | 19:36 | 19:41 | 19:46 | 3272 |
| C3.5 | 19:13 | 19:27 | 19:36 | 3272 |
| C2.8 | 17:32 | 17:35 | 17:39 | — |
| C2.4 | 17:14 | 17:28 | 17:32 | 3273 |
| C3.2 | 15:45 | 15:53 | 16:01 | 3272 |
| C1.6 | 08:53 | 08:56 | 09:00 | — |
| C1.7 | 08:33 | 08:38 | 08:53 | — |
| C9.0 | 06:51 | 07:08 | 07:24 | 3272 |
| C1.6 | 03:54 | 04:04 | 04:15 | 3272 |
| C1.8 | 03:14 | 03:29 | 03:54 | 3272 |
| C1.4 | 02:25 | 02:36 | 02:51 | 3272 |
| C1.4 | 23:47 | 00:01 | 00:26 | 3272 |