Solar flares on May 28, 2003
The most powerful solar flare in 24 hours
X3.6 (very strong) flare - May 28 at 3:27 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+03 (Penza)
List of solar flares for May 28, 2003
The total number of solar flares of class C and higher — 15 flares
C class — 13 | M class — 0 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 22:34 | 22:39 | 22:42 | — |
| C4.4 | 21:41 | 21:44 | 21:46 | — |
| C2.0 | 21:00 | 21:08 | 21:15 | — |
| C3.5 | 20:31 | 20:46 | 20:52 | 365 |
| C3.5 | 18:37 | 18:46 | 18:51 | 365 |
| C1.5 | 18:22 | 18:31 | 18:35 | 365 |
| C2.2 | 17:20 | 17:24 | 17:27 | 365 |
| C1.3 | 16:50 | 16:55 | 17:12 | — |
| C1.3 | 15:33 | 15:38 | 15:43 | 365 |
| C1.3 | 15:16 | 15:21 | 15:24 | — |
| C1.9 | 12:41 | 12:45 | 12:51 | 365 |
| C3.1 | 09:05 | 09:09 | 09:14 | — |
| C7.6 | 07:43 | 07:47 | 07:51 | — |
| X3.6 | 03:17 | 03:27 | 03:39 | — |
| X1.3 | 01:56 | 02:07 | 02:13 | 365 |