Solar flares on July 15, 2004
The most powerful solar flare in 24 hours
X1.6 (very strong) flare - July 15 at 12:24 PM
Solar activity index
Value as of the end of the day on July 15, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 14, 2004 to July 15, 2004
Time zone — UTC-06 (Lethbridge) — summer time
List of solar flares for July 15, 2004
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 0 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.3 | 19:43 | 20:06 | 20:12 | 649 |
| C7.9 | 16:24 | 16:33 | 16:52 | — |
| C3.9 | 15:25 | 16:01 | 16:18 | 649 |
| X1.6 | 12:15 | 12:24 | 12:28 | 649 |
| C1.4 | 08:51 | 08:56 | 09:04 | 649 |
| C2.5 | 05:11 | 05:16 | 05:19 | 651 |