Solar flares on April 23, 2021
The most powerful solar flare in 24 hours
C2.4 (normal) flare - April 23 at 11:12 PM
Solar activity index
Value as of the end of the day on April 23, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2021 to April 23, 2021
Time zone — UTC+00
List of solar flares for April 23, 2021
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 23:08 | 23:12 | 23:16 | 2817 |
| C2.2 | 22:39 | 22:54 | 23:08 | 2817 |
| C1.4 | 06:14 | 06:28 | 06:41 | 2816 |
| C1.0 | 05:09 | 05:25 | 05:59 | 2816 |
| C1.4 | 02:37 | 02:52 | 03:02 | 2817 |
| C1.3 | 01:32 | 01:52 | 02:02 | 2817 |