Solar flares on April 15, 2001
The most powerful solar flare in 24 hours
X14.4 (very strong) flare - April 15 at 9:50 AM
Solar activity index
Value as of the end of the day on April 15, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 14, 2001 to April 15, 2001
Time zone — UTC-04 (Lansing) — summer time
List of solar flares for April 15, 2001
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.1 | 17:59 | 18:07 | 18:22 | — |
| X14.4 | 09:19 | 09:50 | 09:55 | 9415 |
| C5.3 | 06:56 | 07:04 | 07:11 | — |
| C7.7 | 04:26 | 04:45 | 05:07 | 9415 |
| C6.7 | 03:50 | 04:01 | 04:15 | — |
| C3.6 | 01:53 | 02:14 | 02:39 | 9415 |
| C1.0 | 00:27 | 00:32 | 00:35 | — |
| C2.2 | 00:04 | 00:08 | 00:12 | — |