Solar flares on January 28, 2015
The most powerful solar flare in 24 hours
M1.0 (strong) flare - January 28 at 12:37 PM
Solar activity index
Value as of the end of the day on January 28, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 27, 2015 to January 28, 2015
Time zone — UTC-09 (Anchorage)
List of solar flares for January 28, 2015
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.2 | 20:15 | 20:23 | 20:50 | 2268 |
| C3.1 | 19:20 | 19:33 | 19:47 | 2277 |
| C2.6 | 18:48 | 18:52 | 18:55 | 2277 |
| C4.1 | 18:08 | 18:13 | 18:16 | 2277 |
| C3.2 | 17:42 | 17:52 | 17:55 | 2277 |
| C1.7 | 14:32 | 14:36 | 14:40 | 2276 |
| M1.0 | 12:32 | 12:37 | 12:40 | 2277 |
| C2.2 | 09:24 | 09:35 | 10:06 | 2268 |
| C2.5 | 04:07 | 04:12 | 04:16 | — |
| C2.7 | 01:38 | 01:43 | 01:46 | 2277 |