Solar flares on May 13, 2001
The most powerful solar flare in 24 hours
M3.6 (strong) flare - May 13 at 3:04 AM
Solar activity index
Value as of the end of the day on May 13, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2001 to May 13, 2001
Time zone — UTC+00
List of solar flares for May 13, 2001
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 23:03 | 23:09 | 23:24 | — |
| C1.6 | 20:47 | 20:52 | 21:02 | — |
| C3.3 | 19:12 | 19:18 | 19:23 | — |
| C4.9 | 13:58 | 14:04 | 14:11 | 9455 |
| C3.4 | 08:13 | 08:20 | 08:31 | 9455 |
| M3.6 | 02:58 | 03:04 | 03:08 | 9455 |
| C1.1 | 01:40 | 01:45 | 01:53 | 9455 |
| C3.4 | 00:20 | 00:25 | 00:29 | 9455 |