Solar flares on May 17, 2001
The most powerful solar flare in 24 hours
M1.2 (strong) flare - May 17 at 12:52 PM
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-04 (Lansing) — summer time
List of solar flares for May 17, 2001
The total number of solar flares of class C and higher — 16 flares
C class — 15 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 22:35 | 22:38 | 22:40 | — |
| C2.2 | 22:15 | 22:19 | 22:22 | — |
| C2.2 | 19:17 | 19:24 | 19:34 | 9461 |
| C4.0 | 17:36 | 17:42 | 18:13 | 9461 |
| C9.1 | 16:41 | 16:49 | 16:59 | 9454 |
| C7.0 | 15:36 | 15:56 | 16:04 | 9454 |
| C1.6 | 13:30 | 13:33 | 13:35 | — |
| M1.2 | 12:46 | 12:52 | 12:57 | 9455 |
| C3.2 | 12:16 | 12:40 | 12:46 | 9455 |
| C1.4 | 10:39 | 10:43 | 10:48 | — |
| C1.9 | 09:41 | 09:54 | 10:02 | 9455 |
| C4.0 | 05:57 | 06:01 | 06:06 | — |
| C1.2 | 04:45 | 04:49 | 04:53 | — |
| C2.2 | 02:47 | 02:53 | 02:58 | — |
| C1.8 | 01:44 | 01:51 | 02:02 | 9451 |
| C1.1 | 00:04 | 00:14 | 00:25 | — |