Solar flares on April 28, 2003
The most powerful solar flare in 24 hours
C4.4 (normal) flare - April 28 at 7:36 AM
Solar activity index
Value as of the end of the day on April 28, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 27, 2003 to April 28, 2003
Time zone — UTC+03 (Riga)
List of solar flares for April 28, 2003
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 |
|---|---|---|---|---|
| C3.3 | 21:11 | 21:18 | 21:24 | 344 |
| C2.0 | 20:14 | 20:19 | 20:26 | 338 |
| C2.1 | 18:10 | 18:46 | 19:02 | 337 |
| C1.3 | 17:05 | 17:17 | 17:23 | 338 |
| C1.5 | 13:10 | 13:17 | 13:26 | 338 |
| C4.4 | 06:57 | 07:36 | 08:20 | 337 |
| C1.3 | 00:31 | 00:34 | 00:39 | 338 |