Solar flares on April 21, 2014
The most powerful solar flare in 24 hours
C5.1 (normal) flare - April 21 at 9:02 PM
Solar activity index
Value as of the end of the day on April 21, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 20, 2014 to April 21, 2014
Time zone — UTC+01 (London) — summer time
List of solar flares for April 21, 2014
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 23:09 | 23:29 | 23:46 | 2038 |
| C5.1 | 20:30 | 21:02 | 21:26 | 2038 |
| C1.1 | 14:26 | 14:29 | 14:37 | 2038 |
| C2.0 | 10:13 | 10:35 | 11:20 | 2038 |
| C1.2 | 07:53 | 08:02 | 08:09 | 2036 |
| C1.2 | 07:30 | 07:34 | 07:40 | 2036 |
| C1.4 | 05:49 | 05:54 | 05:57 | 2045 |
| C1.7 | 01:56 | 02:08 | 02:53 | 2034 |