Solar flares on May 28, 2003
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - May 28 at 5:05 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-08 (Anchorage) — 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 | 21:13 | 21:19 | 21:25 | — |
| M1.5 | 18:09 | 18:18 | 18:24 | 368 |
| X1.2 | 16:51 | 17:05 | 17:12 | 365 |
| C1.0 | 15:02 | 15:05 | 15:10 | — |
| C1.6 | 14:02 | 14:06 | 14:08 | 365 |
| C3.1 | 12:08 | 13:23 | 13:26 | 365 |
| C1.9 | 11:34 | 11:39 | 11:42 | — |
| C4.4 | 10:41 | 10:44 | 10:46 | — |
| C2.0 | 10:00 | 10:08 | 10:15 | — |
| C3.5 | 09:31 | 09:46 | 09:52 | 365 |
| C3.5 | 07:37 | 07:46 | 07:51 | 365 |
| C1.5 | 07:22 | 07:31 | 07:35 | 365 |
| C2.2 | 06:20 | 06:24 | 06:27 | 365 |
| C1.3 | 05:50 | 05:55 | 06:12 | — |
| C1.3 | 04:33 | 04:38 | 04:43 | 365 |
| C1.3 | 04:16 | 04:21 | 04:24 | — |
| C1.9 | 01:41 | 01:45 | 01:51 | 365 |