Solar flares on June 21, 2003
The most powerful solar flare in 24 hours
C2.5 (normal) flare - June 21 at 6:43 PM
Solar activity index
Value as of the end of the day on June 21, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2003 to June 21, 2003
Time zone — UTC+05:30 (Aligarh)
List of solar flares for June 21, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 22:53 | 23:00 | 23:05 | 386 |
| C2.5 | 18:37 | 18:43 | 18:45 | 388 |
| C2.2 | 08:00 | 08:05 | 08:09 | 388 |
| C1.7 | 05:39 | 05:44 | 05:48 | 386 |
| C1.0 | 03:51 | 04:01 | 04:15 | 386 |