Solar flares on April 21, 2022
The most powerful solar flare in 24 hours
M9.6 (strong) flare - April 21 at 1:59 AM
Solar activity index
Value as of the end of the day on April 21, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 20, 2022 to April 21, 2022
Time zone — UTC+00
List of solar flares for April 21, 2022
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 22:39 | 22:45 | 22:51 | — |
| C7.0 | 20:58 | 21:04 | 21:08 | 2994 |
| C3.1 | 17:18 | 17:27 | 17:34 | 2993 |
| C5.4 | 12:47 | 12:55 | 13:01 | 2994 |
| M9.6 | 01:47 | 01:59 | 02:05 | 2993 |