Solar flares on December 21, 2024
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 21 at 8:38 AM
Solar activity index
Value as of the end of the day on December 21, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 20, 2024 to December 21, 2024
Time zone — UTC+08 (Ulan-Ude)
List of solar flares for December 21, 2024
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 19:28 | 19:32 | 19:36 | 3932 |
| C4.5 | 15:29 | 15:36 | 15:43 | 3932 |
| C3.3 | 15:16 | 15:24 | 15:29 | 3927 |
| C5.2 | 12:08 | 12:13 | 12:17 | 3932 |
| M1.9 | 08:33 | 08:38 | 08:42 | 3932 |
| C4.8 | 06:36 | 06:45 | 06:56 | 3929 |
| C4.5 | 00:46 | 00:49 | 00:53 | 3932 |