Solar flares on July 30, 2011
The most powerful solar flare in 24 hours
M9.3 (strong) flare - July 30 at 3:09 AM
Solar activity index
Value as of the end of the day on July 30, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 29, 2011 to July 30, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for July 30, 2011
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 13:11 | 13:17 | 13:27 | 1265 |
| M9.3 | 03:04 | 03:09 | 03:12 | 1261 |