Solar flares on April 13, 2023
The most powerful solar flare in 24 hours
C8.4 (normal) flare - April 13 at 11:43 AM
Solar activity index
Value as of the end of the day on April 13, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 12, 2023 to April 13, 2023
Time zone — UTC+01 (London) — summer time
List of solar flares for April 13, 2023
The total number of solar flares of class C and higher — 14 flares
C class — 14 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 21:29 | 21:36 | 21:42 | 3282 |
| C2.2 | 19:50 | 19:57 | 20:03 | 3281 |
| C4.3 | 12:53 | 12:56 | 13:02 | 3279 |
| C6.7 | 11:53 | 11:56 | 12:00 | 3279 |
| C8.4 | 11:32 | 11:43 | 11:53 | 3272 |
| C3.8 | 09:15 | 09:20 | 09:31 | 3281 |
| C3.9 | 08:53 | 08:59 | 09:03 | 3279 |
| C2.0 | 05:24 | 05:34 | 05:41 | 3272 |
| C2.2 | 04:54 | 05:07 | 05:11 | 3280 |
| C2.5 | 03:17 | 03:24 | 03:31 | 3279 |
| C3.7 | 02:15 | 02:23 | 02:31 | 3279 |
| C3.3 | 02:03 | 02:06 | 02:10 | 3279 |
| C4.8 | 00:26 | 00:35 | 00:49 | 3279 |
| C1.8 | 23:54 | 00:03 | 00:06 | 3279 |