Solar flares on August 1, 2011
The most powerful solar flare in 24 hours
C4.0 (normal) flare - August 1 at 8:32 AM
Solar activity index
Value as of the end of the day on August 1, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 31, 2011 to August 1, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for August 1, 2011
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 23:10 | 23:13 | 23:16 | 1261 |
| C1.8 | 22:49 | 23:01 | 23:09 | 1261 |
| C1.3 | 17:51 | 18:06 | 18:11 | 1261 |
| C2.0 | 13:33 | 13:40 | 13:45 | 1261 |
| C1.4 | 09:10 | 09:14 | 09:17 | — |
| C4.0 | 08:19 | 08:32 | 08:44 | 1261 |
| C2.1 | 01:39 | 01:47 | 02:11 | 1263 |
| C1.0 | 01:03 | 01:07 | 01:25 | — |
| C1.0 | 00:36 | 00:40 | 00:44 | 1263 |