Solar flares on January 21, 2015
The most powerful solar flare in 24 hours
C9.9 (normal) flare - January 21 at 1:42 PM
Solar activity index
Value as of the end of the day on January 21, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 20, 2015 to January 21, 2015
Time zone — UTC+02 (Riga)
List of solar flares for January 21, 2015
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 23:35 | 23:41 | 23:47 | 2268 |
| C5.4 | 18:17 | 18:44 | 18:54 | 2268 |
| C5.0 | 17:24 | 17:34 | 17:50 | 2268 |
| C9.9 | 13:32 | 13:42 | 13:48 | 2268 |
| C4.3 | 12:35 | 12:49 | 13:03 | 2268 |
| C1.0 | 07:03 | 07:15 | 07:24 | 2268 |
| C2.9 | 00:57 | 01:18 | 01:36 | — |