Solar flares on August 15, 2004
The most powerful solar flare in 24 hours
M9.4 (strong) flare - August 15 at 3:41 PM
Solar activity index
Value as of the end of the day on August 15, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 14, 2004 to August 15, 2004
Time zone — UTC+03 (Bucharest)
List of solar flares for August 15, 2004
The total number of solar flares of class C and higher — 11 flares
C class — 6 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.9 | 23:37 | 23:46 | 23:54 | 656 |
| M1.2 | 21:37 | 21:45 | 21:50 | 656 |
| C1.6 | 20:59 | 21:03 | 21:12 | 656 |
| C1.4 | 20:16 | 20:21 | 20:26 | 656 |
| C2.9 | 19:42 | 19:50 | 19:56 | 656 |
| C1.7 | 17:18 | 17:24 | 17:32 | 656 |
| M9.4 | 15:34 | 15:41 | 15:43 | 656 |
| M2.6 | 14:23 | 14:32 | 14:48 | 656 |
| M1.2 | 08:54 | 09:00 | 09:04 | 656 |
| M1.2 | 07:45 | 08:06 | 08:22 | 656 |
| C6.9 | 06:27 | 06:33 | 06:35 | 656 |