Solar flares on April 28, 2001
The most powerful solar flare in 24 hours
C7.0 (normal) flare - April 28 at 1:34 AM
Solar activity index
Value as of the end of the day on April 28, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 27, 2001 to April 28, 2001
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for April 28, 2001
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 |
|---|---|---|---|---|
| C1.8 | 19:51 | 19:54 | 19:56 | 9433 |
| C1.7 | 14:12 | 14:16 | 14:20 | — |
| C2.8 | 12:08 | 12:13 | 12:15 | — |
| C7.0 | 01:11 | 01:34 | 01:46 | 9433 |