Solar flares on May 7, 2001
The most powerful solar flare in 24 hours
C9.9 (normal) flare - May 7 at 7:55 PM
Solar activity index
Value as of the end of the day on May 7, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 6, 2001 to May 7, 2001
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for May 7, 2001
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 |
|---|---|---|---|---|
| C9.9 | 19:36 | 19:55 | 20:17 | 9445 |
| C1.7 | 13:19 | 13:31 | 13:46 | — |
| C2.2 | 10:34 | 10:59 | 11:16 | 9445 |
| C3.9 | 06:36 | 07:20 | 07:43 | 9445 |
| C1.0 | 01:32 | 01:43 | 01:56 | — |