Solar flares on December 21, 2023
The most powerful solar flare in 24 hours
M4.2 (strong) flare - December 21 at 11:08 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+05:30 (Thane)
List of solar flares for December 21, 2023
The total number of solar flares of class C and higher — 12 flares
C class — 11 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 23:22 | 23:33 | 23:40 | 3519 |
| C2.1 | 21:46 | 21:55 | 22:06 | 3524 |
| C2.1 | 17:46 | 17:51 | 17:59 | 3528 |
| C2.2 | 15:45 | 15:55 | 15:59 | 3521 |
| C2.2 | 15:34 | 15:40 | 15:45 | 3521 |
| M4.2 | 10:49 | 11:08 | 11:19 | 3519 |
| C3.9 | 07:44 | 07:48 | 07:52 | 3529 |
| C5.4 | 05:31 | 05:36 | 05:40 | 3529 |
| C6.5 | 03:04 | 03:24 | 03:46 | 3519 |
| C4.4 | 02:23 | 02:31 | 02:35 | 3524 |
| C3.4 | 01:42 | 01:47 | 01:51 | 3524 |
| C7.2 | 00:09 | 00:13 | 00:17 | 3521 |