Solar flares on August 9, 2001
The most powerful solar flare in 24 hours
C7.8 (normal) flare - August 9 at 9:34 PM
Solar activity index
Value as of the end of the day on August 9, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 8, 2001 to August 9, 2001
Time zone — UTC+03 (Bucharest)
List of solar flares for August 9, 2001
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 23:35 | 23:38 | 23:40 | — |
| C2.0 | 22:19 | 22:22 | 22:24 | 9565 |
| C7.8 | 21:22 | 21:34 | 21:47 | 9570 |
| C3.7 | 14:16 | 14:22 | 14:27 | — |
| C2.6 | 11:08 | 11:15 | 11:27 | 9567 |
| C3.1 | 10:21 | 10:24 | 10:30 | — |
| C3.8 | 09:39 | 09:55 | 10:02 | — |
| C2.2 | 09:04 | 09:08 | 09:11 | — |
| C1.9 | 07:34 | 07:38 | 07:40 | 9563 |
| C4.2 | 06:13 | 06:18 | 06:27 | 9566 |
| C1.8 | 05:43 | 05:44 | 05:45 | 9563 |
| C6.0 | 03:32 | 03:45 | 04:07 | 9569 |