Solar flares on April 16, 2011
The most powerful solar flare in 24 hours
C5.7 (normal) flare - April 16 at 5:14 AM
Solar activity index
Value as of the end of the day on April 16, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 15, 2011 to April 16, 2011
Time zone — UTC-09 (Honolulu) — summer time
List of solar flares for April 16, 2011
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 14:16 | 14:25 | 14:30 | 1185 |
| C1.0 | 10:59 | 11:17 | 11:28 | 1185 |
| C3.7 | 07:34 | 07:53 | 08:08 | 1185 |
| C5.7 | 04:51 | 05:14 | 05:29 | 1190 |
| C1.8 | 00:00 | 00:07 | 00:12 | 1185 |