Solar flares on December 21, 2024
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 21 at 1:38 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+01 (Prague)
List of solar flares for December 21, 2024
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 22:59 | 23:08 | 23:16 | 3930 |
| C5.0 | 22:05 | 22:14 | 22:23 | 3928 |
| C8.3 | 21:30 | 21:37 | 21:47 | 3927 |
| C4.9 | 21:12 | 21:19 | 21:28 | 3930 |
| C3.6 | 12:28 | 12:32 | 12:36 | 3932 |
| C4.5 | 08:29 | 08:36 | 08:43 | 3932 |
| C3.3 | 08:16 | 08:24 | 08:29 | 3927 |
| C5.2 | 05:08 | 05:13 | 05:17 | 3932 |
| M1.9 | 01:33 | 01:38 | 01:42 | 3932 |