Solar flares on April 4, 2000
The most powerful solar flare in 24 hours
C9.7 (normal) flare - April 4 at 12:41 PM
Solar activity index
Value as of the end of the day on April 4, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 3, 2000 to April 4, 2000
Time zone — UTC-03 (Halifax) — summer time
List of solar flares for April 4, 2000
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 |
|---|---|---|---|---|
| C2.5 | 17:42 | 17:55 | 18:04 | 8938 |
| C1.9 | 15:00 | 15:03 | 15:10 | — |
| C9.7 | 12:12 | 12:41 | 13:05 | 8933 |
| C5.8 | 02:14 | 02:25 | 02:39 | — |