Solar flares on April 28, 2012
The most powerful solar flare in 24 hours
C1.7 (normal) flare - April 28 at 8:55 PM
Solar activity index
Value as of the end of the day on April 28, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 27, 2012 to April 28, 2012
Time zone — UTC-04 (Concord) — summer time
List of solar flares for April 28, 2012
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 | 20:52 | 20:55 | 20:57 | 1466 |
| C1.1 | 17:48 | 18:14 | 18:24 | 1467 |
| C1.1 | 16:10 | 16:13 | 16:16 | 1467 |
| C1.1 | 09:45 | 10:14 | 10:34 | 1466 |
| C1.7 | 04:54 | 05:01 | 05:04 | 1469 |