Solar flares on March 9, 2011
The most powerful solar flare in 24 hours
X1.5 (very strong) flare - March 9 at 11:23 PM
Solar activity index
Value as of the end of the day on March 9, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 8, 2011 to March 9, 2011
Time zone — UTC+00
List of solar flares for March 9, 2011
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 |
|---|---|---|---|---|
| X1.5 | 23:13 | 23:23 | 23:29 | 1166 |
| C9.4 | 22:03 | 22:12 | 22:14 | 1166 |
| C2.9 | 21:35 | 21:42 | 21:45 | 1170 |
| C5.0 | 21:03 | 21:10 | 21:22 | 1169 |
| C2.7 | 16:42 | 16:48 | 16:53 | 1169 |
| C2.6 | 15:42 | 15:48 | 15:53 | 1170 |
| M1.7 | 13:17 | 14:02 | 14:13 | 1166 |
| M1.7 | 10:35 | 11:07 | 11:21 | 1166 |
| C9.4 | 08:23 | 08:55 | 09:06 | 1166 |
| C6.4 | 02:30 | 02:33 | 02:36 | 1171 |
| C4.7 | 02:18 | 02:21 | 02:25 | 1171 |
| C5.6 | 01:52 | 01:59 | 02:07 | 1164 |