Solar flares on April 9, 2002
The most powerful solar flare in 24 hours
M1.1 (strong) flare - April 9 at 9:02 AM
Solar activity index
Value as of the end of the day on April 9, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 8, 2002 to April 9, 2002
Time zone — UTC-04 (Dover) — summer time
List of solar flares for April 9, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 23:51 | 23:55 | 00:06 | 9899 |
| C5.6 | 20:27 | 20:59 | 21:05 | 9899 |
| C2.1 | 16:41 | 17:47 | 18:15 | — |
| C4.1 | 15:08 | 15:16 | 15:25 | — |
| C2.2 | 13:30 | 13:35 | 13:39 | — |
| M1.1 | 08:54 | 09:02 | 09:10 | — |
| C7.9 | 01:33 | 03:36 | 04:11 | 9899 |