Solar flares on May 28, 2003
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - May 28 at 6:05 PM
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-07 (Olympia) — summer time
List of solar flares for May 28, 2003
The total number of solar flares of class C and higher — 17 flares
C class — 15 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 22:13 | 22:19 | 22:25 | — |
| M1.5 | 19:09 | 19:18 | 19:24 | 368 |
| X1.2 | 17:51 | 18:05 | 18:12 | 365 |
| C1.0 | 16:02 | 16:05 | 16:10 | — |
| C1.6 | 15:02 | 15:06 | 15:08 | 365 |
| C3.1 | 13:08 | 14:23 | 14:26 | 365 |
| C1.9 | 12:34 | 12:39 | 12:42 | — |
| C4.4 | 11:41 | 11:44 | 11:46 | — |
| C2.0 | 11:00 | 11:08 | 11:15 | — |
| C3.5 | 10:31 | 10:46 | 10:52 | 365 |
| C3.5 | 08:37 | 08:46 | 08:51 | 365 |
| C1.5 | 08:22 | 08:31 | 08:35 | 365 |
| C2.2 | 07:20 | 07:24 | 07:27 | 365 |
| C1.3 | 06:50 | 06:55 | 07:12 | — |
| C1.3 | 05:33 | 05:38 | 05:43 | 365 |
| C1.3 | 05:16 | 05:21 | 05:24 | — |
| C1.9 | 02:41 | 02:45 | 02:51 | 365 |