Solar flares on April 20, 2022
The most powerful solar flare in 24 hours
X2.2 (very strong) flare - April 20 at 3:57 AM
Solar activity index
Value as of the end of the day on April 20, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2022 to April 20, 2022
Time zone — UTC+00
List of solar flares for April 20, 2022
The total number of solar flares of class C and higher — 17 flares
C class — 13 | M class — 3 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.6 | 23:23 | 23:34 | 23:48 | 2993 |
| C2.3 | 22:27 | 22:33 | 22:40 | 2993 |
| C8.9 | 18:33 | 18:40 | 18:49 | 2994 |
| C7.7 | 17:39 | 17:56 | 18:13 | 2993 |
| C3.1 | 13:50 | 13:54 | 13:59 | — |
| M1.9 | 12:24 | 12:53 | 13:02 | 2993 |
| C3.0 | 11:45 | 11:52 | 11:58 | — |
| C5.1 | 10:03 | 10:08 | 10:18 | 2993 |
| C4.2 | 09:35 | 09:55 | 10:03 | — |
| C4.0 | 05:35 | 05:40 | 05:44 | 2992 |
| C2.6 | 05:06 | 05:10 | 05:14 | 2992 |
| X2.2 | 03:41 | 03:57 | 04:04 | 2992 |
| C3.8 | 02:38 | 02:44 | 02:56 | — |
| M7.2 | 01:20 | 01:36 | 01:44 | 2992 |
| M1.2 | 01:07 | 01:14 | 01:20 | 2994 |
| C3.9 | 00:46 | 00:51 | 01:03 | 2992 |
| C3.0 | 00:03 | 00:12 | 00:23 | 2994 |