Solar flares on May 4, 2003
The most powerful solar flare in 24 hours
C2.0 (normal) flare - May 4 at 10:28 PM
Solar activity index
Value as of the end of the day on May 4, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 3, 2003 to May 4, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for May 4, 2003
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 |
|---|---|---|---|---|
| C2.0 | 22:25 | 22:28 | 22:30 | 349 |
| C1.2 | 07:00 | 07:05 | 07:13 | 349 |
| C1.3 | 05:44 | 05:49 | 05:55 | 349 |
| C1.4 | 00:07 | 00:12 | 00:20 | 349 |