Solar flares on September 30, 2000
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - September 30 at 7:21 PM
Solar activity index
Value as of the end of the day on September 30, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2000 to September 30, 2000
Time zone — UTC-04 (Dover) — summer time
List of solar flares for September 30, 2000
The total number of solar flares of class C and higher — 12 flares
C class — 9 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 22:43 | 22:49 | 22:55 | — |
| C2.1 | 21:52 | 21:58 | 22:01 | 9176 |
| X1.2 | 19:13 | 19:21 | 19:28 | 9169 |
| C9.9 | 16:38 | 16:44 | 16:52 | 9178 |
| M1.8 | 16:08 | 16:16 | 16:24 | 9178 |
| M1.0 | 13:38 | 14:27 | 15:05 | 9178 |
| C3.6 | 12:11 | 12:19 | 12:29 | 9178 |
| C3.9 | 08:57 | 09:06 | 09:14 | 9178 |
| C3.7 | 05:56 | 06:01 | 06:07 | 9178 |
| C5.7 | 04:55 | 04:59 | 05:01 | 9173 |
| C2.2 | 04:24 | 04:29 | 04:35 | 9178 |
| C4.7 | 00:29 | 00:34 | 00:36 | 9173 |