Solar flares on June 16, 2003
The most powerful solar flare in 24 hours
M1.7 (strong) flare - June 16 at 4:00 AM
Solar activity index
Value as of the end of the day on June 16, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 15, 2003 to June 16, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for June 16, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 21:58 | 22:05 | 22:10 | 386 |
| C2.4 | 18:12 | 18:22 | 18:29 | 386 |
| C1.5 | 16:57 | 17:02 | 17:14 | 386 |
| C1.6 | 13:51 | 13:56 | 14:00 | 380 |
| M1.7 | 03:52 | 04:00 | 04:04 | 386 |