Solar flares on April 22, 2021
The most powerful solar flare in 24 hours
C8.5 (normal) flare - April 22 at 8:11 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+00
List of solar flares for April 22, 2021
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.5 | 20:02 | 20:11 | 20:20 | 2817 |
| C1.0 | 15:44 | 15:59 | 16:05 | 2816 |
| C2.5 | 14:13 | 14:30 | 14:43 | 2816 |
| C2.8 | 12:18 | 12:27 | 12:42 | 2816 |
| C3.7 | 10:40 | 10:49 | 11:03 | 2817 |
| C1.4 | 10:03 | 10:08 | 10:14 | 2817 |
| C4.3 | 09:14 | 09:21 | 09:41 | 2817 |
| C2.3 | 07:16 | 07:23 | 07:27 | 2817 |
| C1.7 | 05:50 | 05:57 | 06:02 | 2817 |
| C2.7 | 05:00 | 05:06 | 05:10 | 2816 |
| C3.8 | 04:10 | 04:35 | 05:00 | 2816 |