Solar flares on March 15, 2011
The most powerful solar flare in 24 hours
M1.0 (strong) flare - March 15 at 12:22 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+00
List of solar flares for March 15, 2011
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 17:28 | 17:35 | 17:39 | 1169 |
| C1.1 | 11:21 | 11:25 | 11:27 | 1169 |
| C2.6 | 09:25 | 09:42 | 09:58 | 1169 |
| C1.5 | 08:46 | 08:52 | 09:09 | 1169 |
| C1.4 | 06:52 | 06:57 | 07:07 | 1169 |
| C2.1 | 05:04 | 05:18 | 05:28 | 1166 |
| M1.0 | 00:18 | 00:22 | 00:24 | 1169 |