Solar flares on June 18, 2003
The most powerful solar flare in 24 hours
M6.8 (strong) flare - June 18 at 4:25 AM
Solar activity index
Value as of the end of the day on June 18, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 17, 2003 to June 18, 2003
Time zone — UTC+05:30 (Lucknow)
List of solar flares for June 18, 2003
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M6.8 | 03:57 | 04:25 | 04:42 | 386 |
| C5.2 | 03:14 | 03:23 | 03:28 | 386 |