Solar flares on December 21, 2023
The most powerful solar flare in 24 hours
M4.2 (strong) flare - December 21 at 10:38 AM
Solar activity index
Value as of the end of the day on December 21, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 20, 2023 to December 21, 2023
Time zone — UTC+05 (Ufa)
List of solar flares for December 21, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 22:52 | 23:03 | 23:10 | 3519 |
| C2.1 | 21:16 | 21:25 | 21:36 | 3524 |
| C2.1 | 17:16 | 17:21 | 17:29 | 3528 |
| C2.2 | 15:15 | 15:25 | 15:29 | 3521 |
| C2.2 | 15:04 | 15:10 | 15:15 | 3521 |
| M4.2 | 10:19 | 10:38 | 10:49 | 3519 |
| C3.9 | 07:14 | 07:18 | 07:22 | 3529 |
| C5.4 | 05:01 | 05:06 | 05:10 | 3529 |
| C6.5 | 02:34 | 02:54 | 03:16 | 3519 |
| C4.4 | 01:53 | 02:01 | 02:05 | 3524 |
| C3.4 | 01:12 | 01:17 | 01:21 | 3524 |