Solar flares on August 4, 2012
The most powerful solar flare in 24 hours
C3.5 (normal) flare - August 4 at 4:00 PM
Solar activity index
Value as of the end of the day on August 4, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 3, 2012 to August 4, 2012
Time zone — UTC+01 (London) — summer time
List of solar flares for August 4, 2012
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 12:04 | 16:00 | 17:49 | 1539 |
| C1.3 | 07:03 | 07:08 | 07:11 | 1535 |
| C2.7 | 05:13 | 05:18 | 05:22 | 1535 |
| C1.3 | 02:25 | 02:30 | 02:34 | 1535 |