Solar flares on August 18, 2003
The most powerful solar flare in 24 hours
C2.4 (normal) flare - August 18 at 9:06 AM
Solar activity index
Value as of the end of the day on August 18, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2003 to August 18, 2003
Time zone — UTC+00
List of solar flares for August 18, 2003
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 |
|---|---|---|---|---|
| C1.4 | 17:32 | 17:42 | 17:48 | 431 |
| C1.1 | 15:59 | 16:05 | 16:11 | 431 |
| C1.3 | 15:00 | 15:07 | 15:17 | 431 |
| C2.4 | 08:59 | 09:06 | 09:11 | 431 |