Solar flares on July 28, 2013
The most powerful solar flare in 24 hours
C3.2 (normal) flare - July 28 at 1:21 PM
Solar activity index
Value as of the end of the day on July 28, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 27, 2013 to July 28, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for July 28, 2013
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:07 | 22:11 | 22:16 | 1800 |
| C1.6 | 20:57 | 21:03 | 21:07 | 1800 |
| C1.5 | 17:22 | 17:27 | 17:31 | 1800 |
| C1.4 | 16:56 | 17:01 | 17:11 | 1805 |
| C3.2 | 13:12 | 13:21 | 13:29 | 1800 |
| C2.3 | 06:35 | 07:18 | 07:58 | 1800 |
| C1.7 | 03:37 | 04:10 | 04:30 | 1800 |