Solar flares on September 30, 2000
The most powerful solar flare in 24 hours
X1.2 (very strong) flare - September 30 at 11:21 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+00
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 |
|---|---|---|---|---|
| X1.2 | 23:13 | 23:21 | 23:28 | 9169 |
| C9.9 | 20:38 | 20:44 | 20:52 | 9178 |
| M1.8 | 20:08 | 20:16 | 20:24 | 9178 |
| M1.0 | 17:38 | 18:27 | 19:05 | 9178 |
| C3.6 | 16:11 | 16:19 | 16:29 | 9178 |
| C3.9 | 12:57 | 13:06 | 13:14 | 9178 |
| C3.7 | 09:56 | 10:01 | 10:07 | 9178 |
| C5.7 | 08:55 | 08:59 | 09:01 | 9173 |
| C2.2 | 08:24 | 08:29 | 08:35 | 9178 |
| C4.7 | 04:29 | 04:34 | 04:36 | 9173 |
| C2.3 | 03:14 | 03:18 | 03:21 | 9173 |
| C2.9 | 23:53 | 00:01 | 00:08 | 9169 |