Solar flares on March 15, 2011
The most powerful solar flare in 24 hours
M4.2 (strong) flare - March 15 at 1:22 AM
Solar activity index
Value as of the end of the day on March 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 14, 2011 to March 15, 2011
Time zone — UTC+05:30 (Manali)
List of solar flares for March 15, 2011
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 22:58 | 23:05 | 23:09 | 1169 |
| C1.1 | 16:51 | 16:55 | 16:57 | 1169 |
| C2.6 | 14:55 | 15:12 | 15:28 | 1169 |
| C1.5 | 14:16 | 14:22 | 14:39 | 1169 |
| C1.4 | 12:22 | 12:27 | 12:37 | 1169 |
| C2.1 | 10:34 | 10:48 | 10:58 | 1166 |
| M1.0 | 05:48 | 05:52 | 05:54 | 1169 |
| C5.2 | 04:47 | 05:07 | 05:21 | 1169 |
| M4.2 | 01:00 | 01:22 | 01:24 | 1169 |