Solar flares on April 9, 2001
The most powerful solar flare in 24 hours
X2.3 (very strong) flare - April 9 at 11:26 PM
Solar activity index
Value as of the end of the day on April 9, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 8, 2001 to April 9, 2001
Time zone — UTC-06 (Calgary)
List of solar flares for April 9, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 3 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X2.3 | 23:06 | 23:26 | 23:42 | 9415 |
| C2.1 | 12:24 | 12:29 | 12:39 | 9415 |
| M7.9 | 09:20 | 09:34 | 10:00 | 9415 |
| C6.1 | 03:20 | 03:28 | 03:36 | 9415 |
| C3.0 | 00:46 | 00:57 | 01:07 | 9415 |