Solar flares on July 28, 2001
The most powerful solar flare in 24 hours
C7.8 (normal) flare - July 28 at 7:23 PM
Solar activity index
Value as of the end of the day on July 28, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 27, 2001 to July 28, 2001
Time zone — UTC+05:30 (Pappakurichchi)
List of solar flares for July 28, 2001
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 |
|---|---|---|---|---|
| C7.8 | 19:11 | 19:23 | 19:38 | — |
| C1.2 | 06:03 | 07:02 | 07:36 | — |
| C1.0 | 01:56 | 02:03 | 02:16 | — |