Solar flares on June 21, 2001
The most powerful solar flare in 24 hours
C5.7 (normal) flare - June 21 at 2:09 AM
Solar activity index
Value as of the end of the day on June 21, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2001 to June 21, 2001
Time zone — UTC+03 (Vologda)
List of solar flares for June 21, 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 |
|---|---|---|---|---|
| C2.3 | 18:58 | 19:02 | 19:07 | 9503 |
| C1.4 | 16:58 | 17:01 | 17:04 | — |
| C3.5 | 14:02 | 14:10 | 14:22 | — |
| C2.5 | 11:48 | 12:17 | 12:39 | — |
| C3.1 | 08:01 | 08:37 | 09:09 | — |
| C2.5 | 07:36 | 07:46 | 07:56 | 9504 |
| C1.8 | 06:16 | 06:19 | 06:22 | 9504 |
| C1.8 | 05:59 | 06:03 | 06:12 | — |
| C2.4 | 04:27 | 04:32 | 04:37 | 9504 |
| C2.5 | 04:09 | 04:17 | 04:23 | 9506 |
| C5.7 | 01:51 | 02:09 | 02:24 | — |
| C2.1 | 01:44 | 01:48 | 01:51 | — |