Solar flares on March 21, 2012
The most powerful solar flare in 24 hours
C2.9 (normal) flare - March 21 at 1:52 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+01 (Oslo)
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 | 16:42 | 16:50 | 16:56 | 1440 |
| C1.2 | 14:54 | 14:59 | 15:04 | 1440 |
| C2.9 | 13:38 | 13:52 | 14:01 | 1440 |
| C1.7 | 00:43 | 01:08 | 01:38 | 1432 |