Solar flares on December 18, 2022
The most powerful solar flare in 24 hours
C5.8 (normal) flare - December 18 at 5:10 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-05 (Augusta)
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 | 22:32 | 22:43 | 22:54 | — |
| C2.5 | 21:14 | 21:23 | 21:27 | 3162 |
| C2.0 | 18:06 | 18:13 | 18:17 | 3170 |
| C3.2 | 14:53 | 15:02 | 15:15 | 3162 |
| C3.8 | 11:40 | 11:45 | 11:49 | 3169 |
| C4.7 | 09:06 | 09:14 | 09:19 | 3169 |
| C2.3 | 08:11 | 08:16 | 08:20 | 3169 |
| C5.8 | 04:59 | 05:10 | 05:16 | 3162 |
| C2.4 | 04:34 | 04:42 | 04:49 | 3169 |