Solar flares on August 15, 2011
The most powerful solar flare in 24 hours
C3.4 (normal) flare - August 15 at 12:20 PM
Solar activity index
Value as of the end of the day on August 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 14, 2011 to August 15, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for August 15, 2011
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.4 | 12:10 | 12:20 | 12:33 | 1272 |
| C1.4 | 05:42 | 05:54 | 06:20 | 1271 |