Solar flares on May 4, 2001
The most powerful solar flare in 24 hours
C4.1 (normal) flare - May 4 at 6:00 PM
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+03 (Simferopol)
List of solar flares for May 4, 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 |
|---|---|---|---|---|
| C3.0 | 21:18 | 22:26 | 23:00 | — |
| C4.1 | 17:40 | 18:00 | 18:55 | 9447 |
| C1.4 | 13:44 | 13:58 | 14:04 | 9445 |
| C2.3 | 00:16 | 00:41 | 00:57 | — |