Solar flares on April 28, 2013
The most powerful solar flare in 24 hours
C4.4 (normal) flare - April 28 at 11:17 PM
Solar activity index
Value as of the end of the day on April 28, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 27, 2013 to April 28, 2013
Time zone — UTC+03 (Kaluga)
List of solar flares for April 28, 2013
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 |
|---|---|---|---|---|
| C4.4 | 23:10 | 23:17 | 23:26 | 1733 |
| C3.6 | 21:00 | 21:04 | 21:06 | 1731 |
| C1.8 | 19:58 | 20:02 | 20:04 | 1731 |
| C3.7 | 18:52 | 18:55 | 18:58 | 1731 |
| C1.8 | 18:38 | 18:44 | 18:49 | 1731 |
| C1.9 | 17:53 | 17:56 | 17:59 | 1731 |
| C1.1 | 17:35 | 17:38 | 17:41 | 1731 |
| C2.1 | 09:07 | 09:13 | 09:17 | 1731 |