Solar flares on March 21, 2012
The most powerful solar flare in 24 hours
C2.9 (normal) flare - March 21 at 12:52 PM
Solar activity index
Value as of the end of the day on March 21, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2012 to March 21, 2012
Time zone — UTC+00
List of solar flares for March 21, 2012
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 15:42 | 15:50 | 15:56 | 1440 |
| C1.2 | 13:54 | 13:59 | 14:04 | 1440 |
| C2.9 | 12:38 | 12:52 | 13:01 | 1440 |
| C1.7 | 23:43 | 00:08 | 00:38 | 1432 |