Solar flares on April 20, 2024
The most powerful solar flare in 24 hours
C7.5 (normal) flare - April 20 at 5:06 PM
Solar activity index
Value as of the end of the day on April 20, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2024 to April 20, 2024
Time zone — UTC+00
List of solar flares for April 20, 2024
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.9 | 21:53 | 21:59 | 22:09 | 3645 |
| C4.3 | 21:43 | 21:50 | 21:53 | 3645 |
| C3.2 | 20:46 | 20:56 | 21:05 | 3638 |
| C7.5 | 16:52 | 17:06 | 17:20 | 3645 |
| C4.9 | 16:35 | 16:41 | 16:46 | 3645 |
| C2.8 | 13:01 | 13:07 | 13:15 | 3645 |
| C3.7 | 11:46 | 11:52 | 11:56 | 3638 |
| C3.0 | 09:11 | 09:18 | 09:23 | 3639 |
| C3.9 | 08:36 | 08:49 | 09:03 | 3636 |
| C3.7 | 06:20 | 06:28 | 06:42 | — |
| C2.7 | 03:33 | 03:39 | 03:47 | 3643 |
| C4.8 | 00:57 | 01:07 | 01:13 | 3638 |