Solar flares on May 28, 2003
The most powerful solar flare in 24 hours
X3.6 (very strong) flare - May 28 at 12:27 AM
Solar activity index
Value as of the end of the day on May 28, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 27, 2003 to May 28, 2003
Time zone — UTC+00
List of solar flares for May 28, 2003
The total number of solar flares of class C and higher — 17 flares
C class — 16 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 23:02 | 23:05 | 23:10 | — |
| C1.6 | 22:02 | 22:06 | 22:08 | 365 |
| C3.1 | 20:08 | 21:23 | 21:26 | 365 |
| C1.9 | 19:34 | 19:39 | 19:42 | — |
| C4.4 | 18:41 | 18:44 | 18:46 | — |
| C2.0 | 18:00 | 18:08 | 18:15 | — |
| C3.5 | 17:31 | 17:46 | 17:52 | 365 |
| C3.5 | 15:37 | 15:46 | 15:51 | 365 |
| C1.5 | 15:22 | 15:31 | 15:35 | 365 |
| C2.2 | 14:20 | 14:24 | 14:27 | 365 |
| C1.3 | 13:50 | 13:55 | 14:12 | — |
| C1.3 | 12:33 | 12:38 | 12:43 | 365 |
| C1.3 | 12:16 | 12:21 | 12:24 | — |
| C1.9 | 09:41 | 09:45 | 09:51 | 365 |
| C3.1 | 06:05 | 06:09 | 06:14 | — |
| C7.6 | 04:43 | 04:47 | 04:51 | — |
| X3.6 | 00:17 | 00:27 | 00:39 | — |