Solar flares on August 18, 2011
The most powerful solar flare in 24 hours
C1.6 (normal) flare - August 18 at 3:30 AM
Solar activity index
Value as of the end of the day on August 18, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2011 to August 18, 2011
Time zone — UTC+03 (Riga)
List of solar flares for August 18, 2011
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 17:59 | 18:15 | 18:31 | 1271 |
| C1.2 | 09:40 | 09:44 | 09:51 | 1272 |
| C1.6 | 03:23 | 03:30 | 03:36 | 1271 |