Solar flares on August 21, 2006
The most powerful solar flare in 24 hours
C4.7 (normal) flare - August 21 at 3:23 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-04 (Indianapolis) — summer time
List of solar flares for August 21, 2006
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.7 | 15:07 | 15:23 | 15:32 | 904 |
| C1.0 | 11:48 | 11:54 | 12:00 | 905 |
| C2.6 | 08:08 | 08:19 | 08:30 | — |
| C1.0 | 05:55 | 06:06 | 06:25 | — |
| C3.0 | 00:36 | 00:49 | 01:11 | — |