Solar flares on May 4, 2012
The most powerful solar flare in 24 hours
C2.3 (normal) flare - May 4 at 8:37 PM
Solar activity index
Value as of the end of the day on May 4, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 3, 2012 to May 4, 2012
Time zone — UTC+01 (London) — summer time
List of solar flares for May 4, 2012
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 |
|---|---|---|---|---|
| C1.6 | 21:58 | 22:02 | 22:04 | 1474 |
| C2.3 | 20:34 | 20:37 | 20:40 | — |
| C1.8 | 20:22 | 20:28 | 20:32 | 1470 |
| C1.5 | 15:46 | 15:50 | 15:57 | 1471 |
| C1.3 | 05:48 | 05:54 | 05:58 | 1469 |