Solar flares on May 4, 2001
The most powerful solar flare in 24 hours
C4.1 (normal) flare - May 4 at 11:00 AM
Solar activity index
Value as of the end of the day on May 4, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 3, 2001 to May 4, 2001
Time zone — UTC-04 (Lansing) — summer time
List of solar flares for May 4, 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 |
|---|---|---|---|---|
| C3.0 | 14:18 | 15:26 | 16:00 | — |
| C4.1 | 10:40 | 11:00 | 11:55 | 9447 |
| C1.4 | 06:44 | 06:58 | 07:04 | 9445 |