Solar flares on October 28, 2013
The most powerful solar flare in 24 hours
X1.0 (very strong) flare - October 28 at 2:03 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+00 (London)
List of solar flares for October 28, 2013
The total number of solar flares of class C and higher — 9 flares
C class — 2 | M class — 6 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.5 | 20:48 | 20:57 | 21:02 | 1875 |
| M4.4 | 15:07 | 15:15 | 15:21 | 1882 |
| M2.7 | 14:46 | 15:01 | 15:04 | 1882 |
| M2.8 | 14:00 | 14:05 | 14:12 | 1875 |
| M1.4 | 11:32 | 11:53 | 12:39 | 1877 |
| C5.2 | 09:15 | 09:22 | 09:26 | 1875 |
| M5.1 | 04:32 | 04:41 | 04:46 | 1875 |
| X1.0 | 01:41 | 02:03 | 02:12 | 1875 |
| C3.5 | 01:25 | 01:30 | 01:36 | 1875 |