Solar flares on May 21, 2003
The most powerful solar flare in 24 hours
C1.4 (normal) flare - May 21 at 1:01 AM
Solar activity index
Value as of the end of the day on May 21, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 20, 2003 to May 21, 2003
Time zone — UTC+05:30 (Krishnanagar)
List of solar flares for May 21, 2003
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 11:12 | 11:34 | 11:51 | 362 |
| C1.4 | 00:54 | 01:01 | 01:08 | 362 |