Solar flares on May 4, 2013
The most powerful solar flare in 24 hours
M5.7 (strong) flare - May 4 at 12:32 AM
Solar activity index
Value as of the end of the day on May 4, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 3, 2013 to May 4, 2013
Time zone — UTC+07 (Norilsk)
List of solar flares for May 4, 2013
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 23:07 | 23:22 | 23:44 | 1731 |
| C1.4 | 20:20 | 20:23 | 20:26 | 1731 |
| C5.6 | 19:23 | 19:36 | 19:42 | 1739 |
| C3.7 | 14:52 | 15:00 | 15:04 | 1739 |
| C1.0 | 14:30 | 14:34 | 14:40 | 1739 |
| C2.0 | 12:44 | 12:58 | 13:01 | 1734 |
| C2.4 | 10:12 | 10:18 | 10:25 | 1734 |
| C1.4 | 04:06 | 04:11 | 04:18 | 1734 |
| M5.7 | 00:24 | 00:32 | 00:41 | 1739 |