Solar flares on August 18, 2004
The most powerful solar flare in 24 hours
C6.1 (normal) flare - August 18 at 1:10 AM
Solar activity index
Value as of the end of the day on August 18, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2004 to August 18, 2004
Time zone — UTC+00
List of solar flares for August 18, 2004
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 10:40 | 10:44 | 10:48 | 661 |
| C4.1 | 07:14 | 07:26 | 07:35 | 656 |
| C3.0 | 05:06 | 05:10 | 05:14 | 661 |
| C1.6 | 04:14 | 04:17 | 04:20 | — |
| C2.5 | 02:55 | 03:19 | 03:25 | 656 |
| C1.8 | 02:38 | 02:42 | 02:47 | 656 |
| C3.3 | 02:17 | 02:23 | 02:28 | 656 |
| C6.1 | 01:06 | 01:10 | 01:15 | 656 |