Solar flares on October 19, 2001
The most powerful solar flare in 24 hours
X1.6 (very strong) flare - October 19 at 7:30 PM
Solar activity index
Value as of the end of the day on October 19, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 18, 2001 to October 19, 2001
Time zone — UTC+03 (Bucharest)
List of solar flares for October 19, 2001
The total number of solar flares of class C and higher — 14 flares
C class — 7 | M class — 5 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.6 | 19:13 | 19:30 | 19:43 | 9661 |
| C3.2 | 18:45 | 18:48 | 18:51 | 9671 |
| C3.5 | 17:36 | 17:53 | 18:06 | — |
| C3.8 | 16:36 | 16:40 | 16:44 | 9658 |
| C7.8 | 15:19 | 15:33 | 15:42 | 9672 |
| M5.7 | 12:35 | 12:43 | 12:55 | 9658 |
| C8.9 | 09:56 | 10:00 | 10:04 | 9661 |
| M1.3 | 09:35 | 09:45 | 09:53 | 9658 |
| C4.2 | 08:26 | 08:29 | 08:36 | — |
| M1.0 | 06:14 | 06:16 | 06:18 | — |
| M1.4 | 05:52 | 05:58 | 06:03 | 9671 |
| M1.2 | 05:20 | 05:32 | 05:46 | — |
| X1.6 | 03:47 | 04:05 | 04:13 | 9661 |
| C3.0 | 02:37 | 02:44 | 02:48 | 9661 |