Solar flares on May 17, 2001
The most powerful solar flare in 24 hours
M1.2 (strong) flare - May 17 at 11:52 AM
Solar activity index
Value as of the end of the day on May 17, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 16, 2001 to May 17, 2001
Time zone — UTC-05 (Jackson) — summer time
List of solar flares for May 17, 2001
The total number of solar flares of class C and higher — 15 flares
C class — 14 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 21:35 | 21:38 | 21:40 | — |
| C2.2 | 21:15 | 21:19 | 21:22 | — |
| C2.2 | 18:17 | 18:24 | 18:34 | 9461 |
| C4.0 | 16:36 | 16:42 | 17:13 | 9461 |
| C9.1 | 15:41 | 15:49 | 15:59 | 9454 |
| C7.0 | 14:36 | 14:56 | 15:04 | 9454 |
| C1.6 | 12:30 | 12:33 | 12:35 | — |
| M1.2 | 11:46 | 11:52 | 11:57 | 9455 |
| C3.2 | 11:16 | 11:40 | 11:46 | 9455 |
| C1.4 | 09:39 | 09:43 | 09:48 | — |
| C1.9 | 08:41 | 08:54 | 09:02 | 9455 |
| C4.0 | 04:57 | 05:01 | 05:06 | — |
| C1.2 | 03:45 | 03:49 | 03:53 | — |
| C2.2 | 01:47 | 01:53 | 01:58 | — |
| C1.8 | 00:44 | 00:51 | 01:02 | 9451 |