Solar flares on January 21, 2015
The most powerful solar flare in 24 hours
M1.4 (strong) flare - January 21 at 11:52 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-05 (Lansing)
List of solar flares for January 21, 2015
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 23:43 | 23:52 | 00:02 | 2268 |
| C1.1 | 23:00 | 23:05 | 23:16 | 2268 |
| C1.2 | 21:47 | 21:52 | 21:59 | 2268 |
| C1.7 | 21:13 | 21:20 | 21:26 | 2268 |
| C5.4 | 17:21 | 17:30 | 17:44 | 2268 |
| C1.2 | 16:35 | 16:41 | 16:47 | 2268 |
| C5.4 | 11:17 | 11:44 | 11:54 | 2268 |
| C5.0 | 10:24 | 10:34 | 10:50 | 2268 |
| C9.9 | 06:32 | 06:42 | 06:48 | 2268 |
| C4.3 | 05:35 | 05:49 | 06:03 | 2268 |
| C1.0 | 00:03 | 00:15 | 00:24 | 2268 |