Solar flares on March 21, 2005
The most powerful solar flare in 24 hours
C2.7 (normal) flare - March 21 at 3:47 PM
Solar activity index
Value as of the end of the day on March 21, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2005 to March 21, 2005
Time zone — UTC+00
List of solar flares for March 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 |
|---|---|---|---|---|
| C2.7 | 15:40 | 15:47 | 15:52 | 745 |