Solar flares on April 22, 2021
The most powerful solar flare in 24 hours
C8.5 (normal) flare - April 22 at 3:11 PM
Solar activity index
Value as of the end of the day on April 22, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 21, 2021 to April 22, 2021
Time zone — UTC-05 (Topeka) — summer time
List of solar flares for April 22, 2021
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 |
|---|---|---|---|---|
| C1.4 | 21:37 | 21:52 | 22:02 | 2817 |
| C1.3 | 20:32 | 20:52 | 21:02 | 2817 |
| C8.5 | 15:02 | 15:11 | 15:20 | 2817 |
| C1.0 | 10:44 | 10:59 | 11:05 | 2816 |
| C2.5 | 09:13 | 09:30 | 09:43 | 2816 |
| C2.8 | 07:18 | 07:27 | 07:42 | 2816 |
| C3.7 | 05:40 | 05:49 | 06:03 | 2817 |
| C1.4 | 05:03 | 05:08 | 05:14 | 2817 |
| C4.3 | 04:14 | 04:21 | 04:41 | 2817 |
| C2.3 | 02:16 | 02:23 | 02:27 | 2817 |
| C1.7 | 00:50 | 00:57 | 01:02 | 2817 |
| C2.7 | 00:00 | 00:06 | 00:10 | 2816 |