Solar flares on December 28, 2023
The most powerful solar flare in 24 hours
C2.1 (normal) flare - December 28 at 9:52 PM
Solar activity index
Value as of the end of the day on December 28, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 27, 2023 to December 28, 2023
Time zone — UTC+01 (Oslo)
List of solar flares for December 28, 2023
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:42 | 23:51 | 00:01 | 3533 |
| C2.1 | 21:39 | 21:52 | 22:05 | — |
| C1.0 | 21:27 | 21:32 | 21:39 | 3534 |
| C1.8 | 11:52 | 11:58 | 12:02 | 3533 |