Solar flares on March 31, 2001
The most powerful solar flare in 24 hours
M2.1 (strong) flare - March 31 at 11:12 AM
Solar activity index
Value as of the end of the day on March 31, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 30, 2001 to March 31, 2001
Time zone — UTC+00
List of solar flares for March 31, 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 |
|---|---|---|---|---|
| C3.4 | 21:49 | 21:53 | 21:58 | 9401 |
| C3.9 | 19:49 | 19:53 | 19:59 | — |
| M2.1 | 11:00 | 11:12 | 11:31 | 9393 |
| C4.9 | 07:01 | 07:09 | 07:27 | 9404 |
| C4.1 | 03:04 | 03:36 | 03:51 | 9393 |
| C3.2 | 02:23 | 02:25 | 02:27 | 9393 |
| C3.2 | 01:04 | 01:04 | 01:04 | — |
| C5.3 | 00:23 | 00:31 | 00:38 | 9393 |