Solar flares on March 21, 2004
The most powerful solar flare in 24 hours
C6.3 (normal) flare - March 21 at 12:52 PM
Solar activity index
Value as of the end of the day on March 21, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2004 to March 21, 2004
Time zone — UTC+03 (Simferopol)
List of solar flares for March 21, 2004
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 |
|---|---|---|---|---|
| C1.3 | 19:28 | 19:34 | 20:02 | 578 |
| C6.3 | 12:39 | 12:52 | 13:02 | 576 |
| C1.0 | 04:11 | 04:17 | 04:28 | 578 |
| C2.0 | 02:56 | 03:09 | 03:21 | 578 |