Solar flares on December 21, 2014
The most powerful solar flare in 24 hours
M1.0 (strong) flare - December 21 at 4:49 PM
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-09 (Anchorage)
List of solar flares for December 21, 2014
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 |
|---|---|---|---|---|
| C8.7 | 19:27 | 19:54 | 20:24 | 2242 |
| M1.0 | 16:33 | 16:49 | 16:59 | 2242 |
| C5.1 | 08:23 | 08:55 | 09:19 | 2242 |
| C5.2 | 07:14 | 07:51 | 07:58 | 2242 |
| C3.1 | 06:43 | 07:01 | 07:13 | 2242 |
| M1.0 | 02:24 | 03:17 | 03:57 | 2241 |