Solar flares on December 25, 2011
The most powerful solar flare in 24 hours
M4.0 (strong) flare - December 25 at 12:16 PM
Solar activity index
Value as of the end of the day on December 25, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 24, 2011 to December 25, 2011
Time zone — UTC-06 (Chicago)
List of solar flares for December 25, 2011
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.5 | 20:13 | 20:27 | 20:36 | 1387 |
| C7.7 | 14:23 | 14:29 | 14:33 | 1387 |
| M4.0 | 12:11 | 12:16 | 12:20 | 1387 |
| C2.2 | 10:55 | 11:01 | 11:08 | — |
| C8.4 | 05:20 | 05:26 | 05:31 | 1387 |
| C5.5 | 02:49 | 02:55 | 03:01 | 1387 |