Solar flares on January 21, 2015
The most powerful solar flare in 24 hours
C9.9 (normal) flare - January 21 at 3:42 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+04 (Yerevan)
List of solar flares for January 21, 2015
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.4 | 20:17 | 20:44 | 20:54 | 2268 |
| C5.0 | 19:24 | 19:34 | 19:50 | 2268 |
| C9.9 | 15:32 | 15:42 | 15:48 | 2268 |
| C4.3 | 14:35 | 14:49 | 15:03 | 2268 |
| C1.0 | 09:03 | 09:15 | 09:24 | 2268 |
| C2.9 | 02:57 | 03:18 | 03:36 | — |