Solar flares on April 28, 2002
The most powerful solar flare in 24 hours
C1.3 (normal) flare - April 28 at 6:41 PM
Solar activity index
Value as of the end of the day on April 28, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 27, 2002 to April 28, 2002
Time zone — UTC-04 (Dover) — summer time
List of solar flares for April 28, 2002
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 18:31 | 18:41 | 18:56 | — |
| C1.2 | 16:54 | 17:03 | 17:13 | 9915 |
| C1.0 | 14:17 | 14:23 | 14:41 | 9924 |