Solar flares on December 20, 2024
The most powerful solar flare in 24 hours
M2.5 (strong) flare - December 20 at 4:18 AM
Solar activity index
Value as of the end of the day on December 20, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 19, 2024 to December 20, 2024
Time zone — UTC-07 (Phoenix)
List of solar flares for December 20, 2024
The total number of solar flares of class C and higher — 10 flares
C class — 7 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.2 | 21:08 | 21:13 | 21:17 | 3932 |
| M1.9 | 17:33 | 17:38 | 17:42 | 3932 |
| C4.8 | 15:36 | 15:45 | 15:56 | 3929 |
| C4.5 | 09:46 | 09:49 | 09:53 | 3932 |
| M2.5 | 04:15 | 04:18 | 04:22 | 3928 |
| C2.9 | 03:34 | 03:38 | 03:43 | 3928 |
| C9.4 | 03:03 | 03:11 | 03:17 | 3932 |
| C9.4 | 01:55 | 02:01 | 02:06 | 3928 |
| M2.1 | 00:20 | 00:26 | 00:35 | 3924 |
| C3.0 | 23:54 | 00:04 | 00:14 | 3924 |