Solar flares on December 18, 2014
The most powerful solar flare in 24 hours
M6.9 (strong) flare - December 18 at 9:58 PM
Solar activity index
Value as of the end of the day on December 18, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 17, 2014 to December 18, 2014
Time zone — UTC+00
List of solar flares for December 18, 2014
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M6.9 | 21:41 | 21:58 | 22:25 | 2241 |
| C7.9 | 19:34 | 19:43 | 19:52 | 2241 |
| C7.3 | 16:44 | 16:51 | 16:59 | 2242 |
| C6.8 | 16:19 | 16:23 | 16:28 | 2241 |
| C5.3 | 15:40 | 15:46 | 16:10 | 2241 |
| C7.2 | 12:43 | 12:52 | 13:00 | 2242 |
| C5.6 | 08:53 | 09:07 | 09:15 | 2242 |
| C5.6 | 02:31 | 02:37 | 02:47 | 2242 |