Solar flares on July 28, 2012
The most powerful solar flare in 24 hours
M6.1 (strong) flare - July 28 at 4:56 PM
Solar activity index
Value as of the end of the day on July 28, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 27, 2012 to July 28, 2012
Time zone — UTC-04 (Barrie) — summer time
List of solar flares for July 28, 2012
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:12 | 23:18 | 23:30 | 1532 |
| M6.1 | 16:44 | 16:56 | 17:04 | 1532 |
| C1.7 | 14:24 | 14:31 | 14:40 | — |
| C1.1 | 09:10 | 09:19 | 09:26 | — |
| C1.7 | 03:21 | 03:29 | 03:42 | 1530 |