Solar flares on July 28, 2011
The most powerful solar flare in 24 hours
C5.2 (normal) flare - July 28 at 7:55 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+05:30 (Lucknow)
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 | 10:33 | 10:38 | 10:41 | 1260 |
| C2.2 | 10:09 | 10:14 | 10:23 | 1260 |
| C5.2 | 07:49 | 07:55 | 07:59 | 1260 |
| C1.8 | 06:49 | 07:01 | 07:06 | — |
| C2.5 | 05:46 | 05:56 | 06:04 | 1260 |
| C1.6 | 03:41 | 03:47 | 03:51 | 1262 |
| C2.5 | 03:18 | 03:24 | 03:30 | 1260 |
| C2.3 | 02:11 | 02:51 | 02:59 | 1260 |