Solar flares on July 28, 2011
The most powerful solar flare in 24 hours
C5.2 (normal) flare - July 28 at 5:25 AM
Solar activity index
Value as of the end of the day on July 28, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 27, 2011 to July 28, 2011
Time zone — UTC+03 (Lipetsk)
List of solar flares for July 28, 2011
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 08:03 | 08:08 | 08:11 | 1260 |
| C2.2 | 07:39 | 07:44 | 07:53 | 1260 |
| C5.2 | 05:19 | 05:25 | 05:29 | 1260 |
| C1.8 | 04:19 | 04:31 | 04:36 | — |
| C2.5 | 03:16 | 03:26 | 03:34 | 1260 |
| C1.6 | 01:11 | 01:17 | 01:21 | 1262 |
| C2.5 | 00:48 | 00:54 | 01:00 | 1260 |
| C2.3 | 23:41 | 00:21 | 00:29 | 1260 |