Solar flares on February 25, 2004
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - February 25 at 8:03 PM
Solar activity index
Value as of the end of the day on February 25, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 24, 2004 to February 25, 2004
Time zone — UTC-06 (Austin)
List of solar flares for February 25, 2004
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 23:30 | 23:39 | 23:48 | 564 |
| C1.6 | 22:41 | 22:49 | 22:57 | 564 |
| X1.1 | 19:50 | 20:03 | 20:10 | 564 |
| C1.8 | 18:59 | 19:07 | 19:15 | 564 |
| C2.6 | 17:06 | 17:15 | 17:27 | 564 |
| C2.6 | 10:11 | 10:27 | 10:42 | 564 |
| C8.0 | 06:11 | 06:25 | 06:37 | 564 |
| C1.3 | 05:07 | 05:26 | 05:36 | 564 |
| C1.1 | 04:42 | 04:47 | 04:51 | 564 |
| C1.3 | 00:46 | 00:52 | 00:56 | 564 |