Solar flares on October 28, 2013
The most powerful solar flare in 24 hours
M4.4 (strong) flare - October 28 at 7:15 AM
Solar activity index
Value as of the end of the day on October 28, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 27, 2013 to October 28, 2013
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for October 28, 2013
The total number of solar flares of class C and higher — 12 flares
C class — 7 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:32 | 23:48 | 23:55 | 1875 |
| C3.7 | 20:18 | 20:35 | 20:40 | 1875 |
| C2.9 | 19:28 | 19:31 | 19:43 | 1875 |
| C3.3 | 19:03 | 19:10 | 19:19 | 1875 |
| C2.1 | 18:17 | 18:27 | 18:31 | 1884 |
| C1.7 | 16:13 | 16:16 | 16:21 | 1875 |
| M1.5 | 12:48 | 12:57 | 13:02 | 1875 |
| M4.4 | 07:07 | 07:15 | 07:21 | 1882 |
| M2.7 | 06:46 | 07:01 | 07:04 | 1882 |
| M2.8 | 06:00 | 06:05 | 06:12 | 1875 |
| M1.4 | 03:32 | 03:53 | 04:39 | 1877 |
| C5.2 | 01:15 | 01:22 | 01:26 | 1875 |