Solar flares on October 19, 2001
The most powerful solar flare in 24 hours
X1.6 (very strong) flare - October 19 at 10:00 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+05:30 (Thane)
List of solar flares for October 19, 2001
The total number of solar flares of class C and higher — 15 flares
C class — 8 | M class — 5 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.6 | 21:43 | 22:00 | 22:13 | 9661 |
| C3.2 | 21:15 | 21:18 | 21:21 | 9671 |
| C3.5 | 20:06 | 20:23 | 20:36 | — |
| C3.8 | 19:06 | 19:10 | 19:14 | 9658 |
| C7.8 | 17:49 | 18:03 | 18:12 | 9672 |
| M5.7 | 15:05 | 15:13 | 15:25 | 9658 |
| C8.9 | 12:26 | 12:30 | 12:34 | 9661 |
| M1.3 | 12:05 | 12:15 | 12:23 | 9658 |
| C4.2 | 10:56 | 10:59 | 11:06 | — |
| M1.0 | 08:44 | 08:46 | 08:48 | — |
| M1.4 | 08:22 | 08:28 | 08:33 | 9671 |
| M1.2 | 07:50 | 08:02 | 08:16 | — |
| X1.6 | 06:17 | 06:35 | 06:43 | 9661 |
| C3.0 | 05:07 | 05:14 | 05:18 | 9661 |
| C8.5 | 00:28 | 00:35 | 00:41 | 9672 |