Solar flares on August 21, 2006
The most powerful solar flare in 24 hours
C4.7 (normal) flare - August 21 at 7:23 PM
Solar activity index
Value as of the end of the day on August 21, 2006
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 20, 2006 to August 21, 2006
Time zone — UTC+00
List of solar flares for August 21, 2006
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.7 | 19:07 | 19:23 | 19:32 | 904 |
| C1.0 | 15:48 | 15:54 | 16:00 | 905 |
| C2.6 | 12:08 | 12:19 | 12:30 | — |
| C1.0 | 09:55 | 10:06 | 10:25 | — |
| C3.0 | 04:36 | 04:49 | 05:11 | — |
| C3.8 | 02:20 | 02:26 | 02:33 | — |
| C3.6 | 00:46 | 00:50 | 00:53 | — |