Solar flares on December 21, 2014
The most powerful solar flare in 24 hours
M1.2 (strong) flare - December 21 at 12:32 AM
Solar activity index
Value as of the end of the day on December 21, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 20, 2014 to December 21, 2014
Time zone — UTC-07 (Denver)
List of solar flares for December 21, 2014
The total number of solar flares of class C and higher — 7 flares
C class — 4 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.7 | 21:27 | 21:54 | 22:24 | 2242 |
| M1.0 | 18:33 | 18:49 | 18:59 | 2242 |
| C5.1 | 10:23 | 10:55 | 11:19 | 2242 |
| C5.2 | 09:14 | 09:51 | 09:58 | 2242 |
| C3.1 | 08:43 | 09:01 | 09:13 | 2242 |
| M1.0 | 04:24 | 05:17 | 05:57 | 2241 |
| M1.2 | 00:18 | 00:32 | 00:51 | 2242 |