Solar flares on June 21, 2005
The most powerful solar flare in 24 hours
C2.1 (normal) flare - June 21 at 11:04 AM
Solar activity index
Value as of the end of the day on June 21, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2005 to June 21, 2005
Time zone — UTC-07 (Seattle) — summer time
List of solar flares for June 21, 2005
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 10:59 | 11:04 | 11:07 | 780 |