Solar flares on December 18, 2022
The most powerful solar flare in 24 hours
C5.8 (normal) flare - December 18 at 4:10 AM
Solar activity index
Value as of the end of the day on December 18, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 17, 2022 to December 18, 2022
Time zone — UTC-06 (Memphis)
List of solar flares for December 18, 2022
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 21:32 | 21:43 | 21:54 | — |
| C2.5 | 20:14 | 20:23 | 20:27 | 3162 |
| C2.0 | 17:06 | 17:13 | 17:17 | 3170 |
| C3.2 | 13:53 | 14:02 | 14:15 | 3162 |
| C3.8 | 10:40 | 10:45 | 10:49 | 3169 |
| C4.7 | 08:06 | 08:14 | 08:19 | 3169 |
| C2.3 | 07:11 | 07:16 | 07:20 | 3169 |
| C5.8 | 03:59 | 04:10 | 04:16 | 3162 |
| C2.4 | 03:34 | 03:42 | 03:49 | 3169 |