Solar flares on July 23, 2004
The most powerful solar flare in 24 hours
M2.2 (strong) flare - July 23 at 2:28 PM
Solar activity index
Value as of the end of the day on July 23, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 22, 2004 to July 23, 2004
Time zone — UTC-03 (Halifax) — summer time
List of solar flares for July 23, 2004
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 22:10 | 22:14 | 22:16 | 649 |
| C1.6 | 21:34 | 21:39 | 21:41 | — |
| M1.7 | 18:15 | 18:23 | 18:30 | 652 |
| C4.1 | 15:02 | 15:07 | 15:11 | 652 |
| M2.2 | 14:07 | 14:28 | 14:35 | 652 |
| C1.0 | 13:03 | 13:09 | 13:15 | 652 |
| C4.1 | 04:17 | 04:27 | 04:37 | 652 |
| C2.1 | 03:41 | 03:49 | 04:06 | 652 |
| C4.7 | 00:03 | 00:36 | 01:13 | 652 |