Solar flares on January 21, 2015
The most powerful solar flare in 24 hours
C9.9 (normal) flare - January 21 at 11:42 AM
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+00
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 |
|---|---|---|---|---|
| C5.4 | 22:21 | 22:30 | 22:44 | 2268 |
| C1.2 | 21:35 | 21:41 | 21:47 | 2268 |
| C5.4 | 16:17 | 16:44 | 16:54 | 2268 |
| C5.0 | 15:24 | 15:34 | 15:50 | 2268 |
| C9.9 | 11:32 | 11:42 | 11:48 | 2268 |
| C4.3 | 10:35 | 10:49 | 11:03 | 2268 |
| C1.0 | 05:03 | 05:15 | 05:24 | 2268 |