Solar flares on April 4, 2003
The most powerful solar flare in 24 hours
C3.9 (normal) flare - April 4 at 5:47 PM
Solar activity index
Value as of the end of the day on April 4, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 3, 2003 to April 4, 2003
Time zone — UTC+05:30 (Krishnanagar)
List of solar flares for April 4, 2003
The total number of solar flares of class C and higher — 15 flares
C class — 15 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 22:58 | 23:06 | 23:15 | 0 |
| C2.2 | 22:37 | 22:42 | 22:46 | 321 |
| C1.6 | 22:30 | 22:34 | 22:36 | 321 |
| C2.7 | 21:16 | 21:25 | 21:32 | 321 |
| C3.4 | 19:40 | 19:46 | 20:01 | 324 |
| C3.1 | 18:58 | 19:11 | 19:17 | 321 |
| C3.9 | 17:38 | 17:47 | 17:52 | 324 |
| C2.0 | 15:16 | 15:31 | 15:49 | 324 |
| C2.8 | 14:05 | 14:10 | 14:14 | 324 |
| C2.4 | 12:20 | 12:25 | 12:33 | 324 |
| C1.9 | 09:12 | 10:04 | 10:06 | 324 |
| C1.2 | 08:06 | 08:09 | 08:14 | 323 |
| C2.4 | 03:59 | 04:07 | 04:27 | 324 |
| C2.5 | 01:05 | 01:15 | 01:21 | — |
| C1.7 | 00:26 | 00:40 | 00:46 | — |