Solar flares on August 18, 2001
The most powerful solar flare in 24 hours
C3.1 (normal) flare - August 18 at 7:17 AM
Solar activity index
Value as of the end of the day on August 18, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2001 to August 18, 2001
Time zone — UTC-04 (Lansing) — summer time
List of solar flares for August 18, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 08:45 | 08:51 | 08:59 | 9582 |
| C3.1 | 07:09 | 07:17 | 07:23 | 9582 |
| C1.1 | 04:28 | 04:32 | 04:35 | 9586 |
| C1.9 | 02:51 | 02:54 | 02:57 | 9582 |
| C1.4 | 01:06 | 01:15 | 01:24 | 9582 |
| C2.9 | 23:55 | 00:03 | 00:05 | — |